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Similar Polygons Worksheet

Grade 8 math worksheet focusing on understanding and identifying similar polygons, including finding missing side lengths and angles.

Grade 8 Math GeometrySimilar Polygons
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerTrue / False

Standards

CCSS.MATH.CONTENT.8.G.A.4

Topics

mathgeometrysimilar polygonsgrade 8
7 sections · Free to use · Printable
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Similar Polygons Worksheet

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Read each question carefully and answer to the best of your ability. Show all your work for problems requiring calculations.

1. Which of the following statements is true about similar polygons?

a

Corresponding angles are proportional.

b

Corresponding sides are congruent.

c

Corresponding angles are congruent.

d

The polygons have different numbers of sides.

2. If two polygons are similar, their corresponding sides are:

a

Congruent

b

Proportional

c

Parallel

d

Perpendicular

1. For two polygons to be similar, their corresponding angles must be   and their corresponding sides must be  .

2. The ratio of corresponding sides in similar polygons is called the  .

3. Triangle ABC is similar to Triangle DEF. If AB = 6 cm, BC = 8 cm, AC = 10 cm, and DE = 9 cm, find the lengths of EF and DF.

ABC6810DEF9

EF =  

DF =  

4. Rectangle ABCD has a length of 12 units and a width of 8 units. Rectangle EFGH is similar to ABCD and has a length of 18 units. What is the width of Rectangle EFGH?

128ABCD18xEFGH

1. All squares are similar to each other.

T

True

F

False

5. Explain in your own words what it means for two polygons to be similar.