DIFFERENTIATION OPTIMIZATION PROBLEMS - MadAsMaths
b) Use part (a) to show that the volume of the box V The figure above shows a solid triangular prism with a total surface area of 3600.
What is the same and what is different about measuring two
Find an object that has a length dimension (length width or height) of 1 mm. 5 A triangular prism and its net are shown below.
Find the volume of each pyramid. 1. SOLUTION: The volume of a
A triangular pyramid with a right triangle base with a leg 8 centimeters and hypotenuse 10 centimeters has a volume of 144 cubic centimeters. Find the height.
STUDENT TEXT AND HOMEWORK HELPER
14-4 Volumes of Prisms and Cylinders . answer to the nearest whole number. ... Use a problem-solving model to find the area of the figure below.
Use a proportion to find the height of the smaller cylinder. Find the
what is the volume of the second prism rounded to the nearest tenth? SOLUTION: If two similar solids have surface areas with a ratio.
Find the volume of each prism. 1. SOLUTION: The volume V of a
the oblique rectangular prism shown. SOLUTION: If two solids have the same height h and the same cross-sectional area B at every level then they
Applications of geometry and trigonometry
The summit of the hill is now at an angle of elevation of 14. ? . Draw a diagram and find the height of the hill above the level of A to the nearest metre.
Untitled
The volume of a can of soup is 440 sand as shown below. How much ... answer to the nearest whole number. 1155ec uosec = 2 min. 3.5 in. H. V=Bh. V= ?TR².
Untitled
Allison says that the figure below made of 1 cm cubes
EXAM QUESTIONS Part B
a) If the three vectors given above are coplanar find the value of ? . c) Determine the volume of the prism for this value of t .
[PDF] Find the volume of each prism 1 SOLUTION
The volume V of a prism is V = Bh where B is the area of a base and h is the height of the prism B = 11 4 ft 2 and h = 5 1 ft Therefore the volume is
[PDF] Practice: Prisms and Pyramids
Practice: Prisms and Pyramids 1) Find the volume of the triangular prism L V V: 93 75 ? in 3 ch integer 5) The volume of a cylinder is 31810 cm
[PDF] Problems & Solutions - MathCounts
The volume of a right triangular prism can be found using the formula V = B × h where B = the area of the base and h = the height of the prism So given the
[PDF] Three-Dimensional Geometry - Houston ISD
whole-number units Find hypotenuse for each of the right triangles described in the table below Use the volume formula for a prismV = Bh to find
[PDF] Find the lateral area and surface area of each prism 2 SOLUTION
prism Round to the nearest tenth if necessary 9 SOLUTION: Find the length of the third side of the triangle Now find the lateral and surface area
[PDF] Find the volume of each pyramid 1 SOLUTION
A triangular pyramid with a right triangle base with a leg 8 centimeters and hypotenuse 10 centimeters has a volume of 144 cubic centimeters Find the height
[PDF] Surface area and volume
and volume ? solve problems involving the surface areas and volumes of right rectangular and triangular prisms ? calculate the surface areas and
[PDF] Surface Area and Volume - Big Ideas Math
Find the surface area of the solid shown by the net Finding the Surface Area of a Triangular Prism Round your answer to the nearest tenth
[PDF] Grades 7 & 8 Math Circles 3D Geometry - CEMC
22 fév 2018 · A pyramid is a 3D figure that has a polygonal base and triangular faces that meet at a common vertex The volume for a pyramid is: V = 1 3 ×
© 2010 College Board. All rights reserved.
Unit 3016
Three-Dimensional
Geometry
Essential Questions
How are two- and three-
dimensional gures related?How do changes in
dimensions of a geometric gure affect area, surface
area, and volume?Unit Overview
In this unit you will investigate 2- and
3-dimensional gures, and apply formulas to
determine areas and volumes of these gures.Your study will include right triangles and the
Pythagorean eorem, polygons, prisms, and cylinders. You will relate geometric concepts to real world situations.Academic Vocabulary
Add this word to your vocabulary notebook.
solidThis unit has two Embedded
Assessments. These embedded
assessments allow you to demonstrate your understanding of the Pythagorean Theorem and its uses, and lateral area and volume.Embedded Assessment 1
Right Triangles p. 315
Embedded Assessment 2
Area and Volume p. 337
EMBEDDED
ASSESSMENTS
301-302_SB_MS3_6-0_SE
.indd 301301-302_SB_MS3_6-0_SE.indd 3012/19/10 11:16:32 PM2/19/10 11:16:32 PM© 2010 College Board. All rights reserved.
302 SpringBoard
Mathematics with Meaning
TMLevel 3
Write your answers on notebook paper.
Show your work.
1. Simplify the following squares, cubes, and
square roots. a. 6 2 b. (1.2 ) 2 c. 3 __ 5 2 d. 4 3 e. 5 3 f. ___ 49g. ____ 225
2. Write the ratio of the following:
a. 3 inches to 1 foot b. 13 days to 40 days3. A square and a rectangle both have an area
of 16 square units and dimensions that are whole-number units. Find the dimensions of the square and the rectangle.4. Draw a representation of each of the
following triangles and describe the characteristics of each. a. Scalene b. Isosceles c. Equilateral d. Right5. Name each ? gure.
6. Find the perimeter or circumference of
each of the gures below. a. 5.3 2.7 b. h = 2 8 3 7 c. 3 d. 4 9 57. Find the area of each ? gure in Item 6.
8. Explain using speci? c formulas how you
could nd the area of the shaded area of the gure below.UNIT 6
Getting
Ready301-302_SB_MS3_6-0_SE.indd 302301-302_SB_MS3_6-0_SE.indd 30212/30/09 12:06:20 PM12/30/09 12:06:20 PM
© 2010 College Board. All rights reserved.
ACTIVITY
My Notes
Unit 6 Three-Dimensional Geometry 303
6.1 SUGGESTED LEARNING STRATEGIES: Shared Reading, Activating Prior Knowledge, Visualization, Interactive Word Wall Cameron is a catcher trying out for the school baseball team. He has played baseball in the community and is able to easily throw the ball from home plate to second base to throw out a runner trying to steal second base. However, the school baseball diamond is a regulation size eld and larger than the eld he is accustomed to. Will he be able to consistently throw out runners trying to steal second if he is able to throw the baseball 130 feet? e distance between each consecutive base on a regulation baseball diamond is 90 feet and the baselines are perpendicular. e imaginary line from home plate to second base divides the baseball diamond into two right triangles. ere is a relationship between the lengths of the three sides of any right triangle that might be helpful for determining if Cameron can throw across a regulation baseball diamond.Pitcher
Home3rd1st
2nd90 ft90 ft
90 ft90 ft
1. Use the terms hypotenuse and leg to identify and label the parts
of the right triangle below. a. b. Explain the di? erences between the hypotenuse and the legs of a right triangle.Diamond in the Rough
The Pythagorean Theorem
CONNECT TO APAP
In AP Calculus, the Pythagorean
theorem is useful when solving related rates problems.303-310_SB_MS3_6-1_SE.indd 303303-310_SB_MS3_6-1_SE.indd 30312/30/09 12:06:49 PM12/30/09 12:06:49 PM
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304 SpringBoard
Mathematics with Meaning
TMLevel 3
My Notes
The Pythagorean Theorem
ACTIVITY 6.1
continuedDiamond in the RoughDiamond in the Rough
? e Pythagorean theorem describes triangles containing a right angle.2. In a right triangle, let c be the length of the hypotenuse and let
a and b be the lengths of the legs of the triangle. a. Draw and label a right triangle using a, b, and c. b. Write an equation using a, b and c to represent thePythagorean theorem.
3. Use the Pythagorean theorem to ? nd the length of the
hypotenuse in each of the following triangles. a. c 3 4 b. c 15 84. Use the Pythagorean theorem to ? nd the length of the missing
leg in each of the following triangles. a. b 257 b. a 10 6
SUGGESTED LEARNING STRATEGIES: Questioning the
Text, Create Representations, Think/Pair/Share, GroupPresentation, Work Backwards
The Pythagorean theorem
states that: The square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the legs of the triangle.MATH TERMS
303-310_SB_MS3_6-1_SE.indd 304303-310_SB_MS3_6-1_SE.indd 30412/30/09 12:06:55 PM12/30/09 12:06:55 PM
© 2010 College Board. All rights reserved.
My Notes
Unit 6 Three-Dimensional Geometry 305
ACTIVITY 6.1
continuedThe Pythagorean Theorem
Diamond in the RoughDiamond in the Rough
5. Use the Pythagorean theorem to ? nd p in terms of r and t.
p r t6. Sketch a diagram of a regulation
baseball diamond showing the baselines and the imaginary line from home plate to second base.Identify and label the hypotenuse
and legs of any right triangles. What are the lengths of the legs of the triangles?7. Write an equation that can be used to ? nd the distance from
home plate to second base.8. Can the distance from home plate to second base be found
without a calculator? Why or why not? Because it may be di cult to nd some distances without a calculator, estimation is o en a useful problem solving tool.9. Use the Pythagorean theorem to ? nd the exact length of the
hypotenuse for each of the right triangles described in the table below. en estimate the value of the square root to nd the estimated length of the hypotenuse. SUGGESTED LEARNING STRATEGIES: Create Representations, Think/Pair/Share, Group Presentation, Group DiscussionTriangle
Length of
Leg 1Length of
Leg 2Exact Length
of HypotenuseEstimated Length
of Hypotenuse1 1 unit 2 units
2 1 unit 3 units
3 2 units 2 units
4 2 units 3 units
5 9 units 9 units
If you take the square root
of a number that is not a perfect square, the result is a decimal number that does not terminate or repeat and is called an irrational number. The exact value of an irrational number must be written using a radical sign.Decimal approximations of
irrational numbers are found using technology such as a calculator.TECHNOLOGY
303-310_SB_MS3_6-1_SE.indd 305303-310_SB_MS3_6-1_SE.indd 30512/30/09 12:06:59 PM12/30/09 12:06:59 PM
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306 SpringBoard
Mathematics with Meaning
TMLevel 3
My Notes
The Pythagorean Theorem
ACTIVITY 6.1
continuedDiamond in the RoughDiamond in the Rough
SUGGESTED LEARNING STRATEGIES: Simplify the
Problem, Think/Pair/Share, Group Presentation,
Activating Prior Knowledge
10. Which of the triangles in the table in Item 9 could be used to
help Cameron estimate the distance from home plate to second base? Justify your choice.11. Use the Pythagorean theorem and the information in the
table in Item 9 to nd the distance from home plate to second base. Show all your work.12. If Cameron can throw the baseball 130 feet, will he be able
to consistently throw out a runner trying to steal second base?Explain your reasoning.
13. On a regulation so ball diamond, the distance between
consecutive bases is 60 feet and the baselines are perpendicular. a. Sketch and label a scale drawing of a so ball diamond. b. Use the Pythagorean theorem and your sketch to estimate the distance from home plate to second base on a so ball eld. Show all your work.303-310_SB_MS3_6-1_SE.indd 306303-310_SB_MS3_6-1_SE.indd 30612/30/09 12:07:03 PM12/30/09 12:07:03 PM
© 2010 College Board. All rights reserved.
My Notes
Unit 6 Three-Dimensional Geometry 307
ACTIVITY 6.1
continuedThe Pythagorean Theorem
Diamond in the RoughDiamond in the Rough
SUGGESTED LEARNING STRATEGIES: Shared Reading, Visualization, Create Representations, Think/Pair/Share Identify a Subtask During summer vacation, Cameron"s parents take him to see his favorite baseball team, the Anglers, play. On their last day of vacation, he discovers that he will not be able to carry the autographed bat he won home on the plane. His dad suggests that he speak to the concierge at the hotel about options for shipping the bat home. e concierge only has one box that he thinks might be long enough. A er measuring the dimensions of the box to be 16 × 16 × 27, the concierge apologizes for not having a box long enough for the 34 bat. Cameron thinks he might still be able to use the box. His idea is to put the bat in the box at an angle as shown in the diagram below. He wonders if the bat will t in the box.27 in.
16 in.
16 in.
14. ? e diagonal of the box is the hypotenuse of a right triangle.
Outline this triangle in the diagram above.
15. What are the lengths of the legs of this right triangle?
Show any work needed to nd these lengths.
16. Find the length of the diagonal of the box. Show any
necessary calculations.CONNECT TO TRAVELTRAVEL
In a hotel, a concierge is a person
who helps guests with various tasks ranging from restaurant reservations to travel plans.303-310_SB_MS3_6-1_SE.indd 307303-310_SB_MS3_6-1_SE.indd 30712/30/09 12:07:07 PM12/30/09 12:07:07 PM
© 2010 College Board. All rights reserved.
My Notes
308 SpringBoard
Mathematics with Meaning
TMLevel 3
The Pythagorean Theorem
ACTIVITY 6.1
continuedDiamond in the RoughDiamond in the Rough
SUGGESTED LEARNING STRATEGIES: Think/Pair/Share,
Group Presentation, Create Representations
17. Will Cameron be able to use the box to ship his bat? Justify
your response.18. When Cameron returns to school, he tells his math teacher
how he applied the Pythagorean eorem while on vacation. She is excited and tells him they will do some investigation into why the Pythagorean eorem works. a. On centimeter grid paper or graph paper, draw right triangles having legs with each of the following lengths.Use one piece of paper for each triangle.
Triangle 1: 3 units and 4 units
Triangle 2: 5 units and 12 units
Triangle 3: 8 units and 15 units
b. Use the Pythagorean ? eorem to nd the length of the hypotenuse in each of the triangles.Hypotenuse of Triangle 1:
Hypotenuse of Triangle 2:
Hypotenuse of Triangle 3:
c. On each leg of each of the right triangles, draw a square with sides the same length as the leg of the triangle. Find the area of each of these squares and complete the table below. d. How does the area of each square relate to the length of a leg of the triangle?Triangle
Length of
Leg 1Area of Square
on Leg 1Length of
Leg 2Area of Square
on Leg 2303-310_SB_MS3_6-1_SE.indd 308303-310_SB_MS3_6-1_SE.indd 30812/30/09 12:07:10 PM12/30/09 12:07:10 PM
© 2010 College Board. All rights reserved.
My Notes
Unit 6 Three-Dimensional Geometry 309
ACTIVITY 6.1
continuedThe Pythagorean Theorem
Diamond in the RoughDiamond in the Rough
e. Cut out each of the triangles and the squares drawn on each of the legs. f. Use the small squares drawn on the legs of each right triangle to build a large square on the hypotenuse of that triangle. You may cut and rearrange the small squares any way necessary to create one larger square having side length equal to the length of the hypotenuse of the triangle. g. Find the area of the square created on the hypotenuse of each triangle.Area of square on the hypotenuse of Triangle 1:
Area of square on the hypotenuse of Triangle 2:
Area of square on the hypotenuse of Triangle 3:
h. What is the relationship between the areas of the squares drawn on each of the legs of the triangle and the large square built on the hypotenuse? Explain your reasoning. i. How does this relationship illustrate the Pythagorean eorem in the form c 2 = a 2 + b 2 SUGGESTED LEARNING STRATEGIES: Group Presentation,Create Representations
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310 SpringBoard
Mathematics with Meaning
TMLevel 3
The Pythagorean Theorem
ACTIVITY 6.1
continuedDiamond in the RoughDiamond in the Rough
CHECK YOUR UNDERSTANDING
Write your answers on notebook paper.
Show your work.
Find x in each of the following.
1. x 14 10 2. x 4 2 3. x 2410
4. A painter uses a ladder to reach a second-
story window on the house she is painting.π e bottom of the window is 20 feet
above the ground. π e foot of the ladder is 15 feet from the house. How long is the ladder?5. Estimate the square roots of each of the
following: a. 12 b. 17 c. 40 d. 996. Find the distance from point (2, 6) to
point (8, 3) to the nearest tenth of a unit. 7.MATHEMATICAL
REFLECTION
In what type of triangle
is c 2 > a 2 + b 2 ? In what type of triangle is c 2 < a 2 + b 2 ? Explain your answers.You can also use the Pythagorean
theorem to nd the distance between two points on a coordinate plane. Just think of the two points as the endpoints of the hypotenuse of a right triangle. π en draw the legs and use their lengths in the formula.19. Find the distance from point (1, 2) to point (7, 6) to the
nearest tenth of a unit.20. Find the distance from point (3, 1) to point (5, 5) to the
nearest tenth of a unit.quotesdbs_dbs21.pdfusesText_27[PDF] finding interval of definition
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