7-6 - Study Guide and Intervention
Glencoe Geometry. 7-6. Identify Similarity Transformations A dilation is a transformation that enlarges or reduces the original figure proportionally.
7-6 Study Guide and Intervention - Similarity Transformations
Chapter 7. 37. Glencoe Geometry. 7-6 Study Guide and Intervention. Similarity Transformations. Identify Similarity Transformations A dilation is a
Untitled
The ratio of the measures of the three angles of a triangle is 7:9:20. 7-6 Study Guide and Intervention. Similarity Transformations.
9-6 Study Guide and Intervention - Dilations
Draw Dilations A dilation is a similarity transformation that enlarges or reduces a figure proportionally. Dilations are completed with respect to a center
Chapter 7 Resource Masters
Chapter 7. 6. Glencoe Geometry. Study Guide and Intervention (continued) 7-6. Identify Similarity Transformations A dilation is a transformation that ...
7-6 Skills Practice - Similarity Transformations
4. Graph the original figure and its dilated image. Then verify that the dilation is a similarity transformation. 5. A(–3
9-6 - Study Guide and Intervention
Lesson 9-6. Chapter 9. 37. Glencoe Geometry. 9-6. Draw Dilations A dilation is a similarity transformation that enlarges or reduces a figure proportionally.
7-6 Practice
Chapter 7. 40. Glencoe Geometry. 7-6 Practice. Similarity Transformations. Determine whether the dilation from A to B is an enlargement or a reduction.
7-3 - Study Guide and Intervention
Chapter 7. 18. Glencoe Geometry. Study Guide and Intervention. Similar Triangles. Identify Similar Triangles Here are three ways to show that two triangles
Indirect comparisons Methods and validity
12 sept. 2007 A working critical review guide is proposed at the end of the literature study. ... 7 In fact 2.5% but similar to the confidence level of a ...
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Chapter 7 37 Glencoe Geometry
7-6 Study Guide and Intervention
Similarity Transformations
Identify Similarity Transformations A dilation is a transformation that enlarges or reduces the original figure
proportionally. The scale factor of a dilation, k, is the ratio of a length on the image to a corresponding length on the
preimage. A dilation with k > 1 is an enlargement. A dilation with 0 < k < 1 is a reduction.Example: Determine whether the dilation from A to B is an enlargement or a reduction. Then find the scale factor
of the dilation. a. b. B is larger than A, so the dilation is an enlargement. The distance between the vertices at (3, 4) and (1, 4) for A is 2. The distance between the vertices at (0, 3) and (4, 3) for B is 4.The scale factor is ସ
6 or 2.
B is smaller than A, so the dilation is a reduction. The distance between the vertices at (2, 3) and (2, 3) for A is 6. The distance between the vertices at (2, 1) and (2, 2) for B is 3.The scale factor is ଷ
: or ଵ 6Exercises
Determine whether the dilation from A to B is an enlargement or a reduction.Then find the scale factor of the dilation.
1. 2.
3. 4.
reduction; NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Chapter 7 38 Glencoe Geometry
7-6 Study Guide and Intervention (continued)
Similarity Transformations
Verify Similarity You can verify that a dilation produces a similar figure by comparing all corresponding sides and
angles. For triangles, you can also use SAS Similarity.Example: Graph the original figure and its dilated image. Then verify that the dilation is a similarity
transformation. a. original: A(3, 4), B(2, 4), C(3, 4) image: D(1, 0),E(3.5, 0), F(1, 4)
Graph each figure. Since סA and ס
angles, סA ס ؆ that include סA and ס similarity by SAS. Use the coordinate grid to find the lengths of vertical segments AC and DF and horizontal segmentsAB and DE.
8 = 2 and
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