Download 7.1 HW Worksheet - Garnet Valley School District

Name _______________________________________ Date ___________________ Class __________________
7.1 Practice
Ratio in Similar Polygons
Fill in the blanks to complete each definition.
1. A similarity ratio is the ratio of the lengths of the ____________________ sides of two
similar polygons.
2. Two polygons are similar if and only if their corresponding angles are
____________________ and their corresponding sides are.____________________.
3. Figures that are similar have the same shape but not necessarily the same
____________________.
Use the figure for Exercises 4 and 5. The triangles are similar.
4. Name the pairs of congruent angles.

 A  ____________________

 B  ____________________

 C  ____________________
5. Write the corresponding side lengths in the proportion below.
AB

DE

FD
Use the figure for Exercises 6 and 7. The triangles are similar.
6. Circle the correct similarity statement.

 QRS  KJL
RSQ  KJL
QSR  LKJ
7. Write a proportion with all three pairs of corresponding
side lengths.
_______________________________________
Identify the pairs of congruent corresponding angles and the
corresponding sides.
8.
9.
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Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
Determine whether the polygons are similar. If so, write the similarity
ratio and a similarity statement. If not, explain why not.
10. parallelograms EFGH and TUVW
11. CDE and LMN
________________________________________
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Tell whether the polygons must be similar based on the information
given in the figures.
12.
13.
________________________________________
14.
________________________________________
15.
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Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry