Similar Figures Notation

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 area. 

• 0

• 12

• 24

• 30

Find the missing area.

• 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.

This symbol stands for ...

• is corresponding to

• is proportional to

• is congruent to

• is similar to

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

When you multiply by a scale factor over 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

Triangle PQR is similar to triangle XYZ.
What is the length of line segment XZ?

• 11 in.

• 13.5 in.

• 9 in.

• 20.25 in.

The two triangular prisms shown above are similar.
What is the value of x, the height of the larger prism?

• 6.8 cm

• 4 cm

• 6 cm

• 7.2 cm