Geometry Projects Similar Figures

Find the missing area.

• 15

• 20

• 25

• 30

Find the missing perimeter.

• 15

• 20

• 25

• 30

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

Scale factor is a ratio _____ to a side to find its corresponding side.

• multiplied

• divided

• added

• subtracted

When you multiply by a scale factor over 1, it will result in ...

• a reduction.

• the same size.

• an enlargement.

• a different shape.

When you multiply by a scale factor less than 1, it will result in ...

• a reduction.

• the same size.

• an enlargement.

• a different shape.

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.