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Glencoe Geometry Name the angle of depression or angle of elevation in each figure 1 2 3 4 5 MOUNTAIN BIKING On a mountain bike trip along the Gemini

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Carnegie Learning Chapter 8 Skills Practice 685 8 LESSON 8 1 Skills Practice Name Date Three Angle Measure Introduction to Trigonometry Vocabulary

[PDF] Skills Practice - ahodginscc

Glencoe Geometry Name the angle of depression or angle of elevation in each figure 1 2 3 4 5 MOUNTAIN BIKING On a mountain bike trip along the Gemini

"3 1 2 ; 2; "3 F F 5 D Find the value of 4 34 x 8 x Round to the nearest tenth To start identify how the sides relate to the given angle Side x is 9 to the given angle adjacent e given side is the hypotenuse 6 6 5 x 5 2 6 14 x 9 22 61 18 6 7 34 0 8 68 2 4 20 x x 36

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The Tangent Ratio What You’ll Learn Check Skills You’ll Need GO for Help Lessons 7-1 and 8-2 • To use tangent ratios to determine side lengths in triangles Find the ratios BC AC and BC Round answers to the nearest hundredth AB AB AC 1 0 71; 0 71; 1 B 2

NAME DATE PERIOD

Chapter 8 32 Glencoe Geometry

Name the angle of depression or angle of elevation in each figure.

1. 2.

3. 4.

5. MOUNTAIN BIKING On a mountain bike trip along the Gemini Bridges Trail in Moab, Utah, Nabuko stopped on the canyon floor to get a good view of the twin sandstone bridges. Nabuko is standing about 60 meters from the base of the canyon cliff, and the natural arch bridges are about 100 meters up the canyon wall. If her lin e of sight is

5 metres above the ground, what is the angle of elevation to the top of

the bridges?

Round to the nearest tenth degree.

6. SHADOWS Suppose the sun casts a shadow off a 35-foot building.

If the angle of elevation to the sun is 60

, how long is the shadow to the nearest tenth of a foot? 7.

BALLOONING Angie sees a hot air balloon in the

sky from her spot on the ground. The angle of elevation from Angie to the balloon is 40 . If she steps back 200 feet, the new angle of elevation is 10

If Angie is 5.5 feet tall, how far off the ground

is the hot air balloon? 8.

INDIRECT MEASUREMENT Kyle is at the end

of a pier 30 feet above the ocean. His eye level is

3 feet above the pier. He is using binoculars to

watch a whale surface. If the angle of depression of the whale is 20 , how far is the whale from Kyle"s binoculars? Round to the nearest tenth foot. whalewater level20°

Kyle's eyes

pier 3 ft 30 ft
60
35 ft
Z PW RD AC B T WR SF T L S

Skills Practice

Angles of Elevation and Depression

8-5

40°

10°x

5.5 ft200 ftBalloon about 50.1 ft

about 96.5 ft about 20.2 ft about 57.7°?FLS; ?TSL?RTW; ?SWT DCB ; ?ABC?WZP; ?RPZquotesdbs_dbs17.pdfusesText_23

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