Similar Figures Overlapping Shapes

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

Find the missing perimeter.

• 15

• 20

• 25

• 30

Find the missing area. 

• 0

• 12

• 24

• 30

Find the missing area.

• 15

• 20

• 25

• 30

What is true about the shape and size of similar figures?

• Same shape and same size

• Same shape and not the same size

• Different shape and same size

• Different shape and not the same size

What is true about the sides of similar figures?

• Corresponding sides are proportional.

• Corresponding sides are congruent.

• Opposite sides are proportional.

• Opposite sides are congruent.

What is true about the angles of similar figures?

• Corresponding angles are proportional.

• Complementary angles are proportional.

• Corresponding angles are congruent.

• Complementary angles are congruent.

This symbol stands for ...

• is corresponding to

• is proportional to

• is congruent to

• is similar to

Triangle ABC is similar to triangle FGH.
What is the value of x in centimeters?

• 22.5 cm

• 8 cm

• 10.8 cm

• 30 cm

What is the length in inches of line segment PQ?

• 40 in.

• 34 in.

• 38 in.

• 14 in.