GFTW 4/4: Triangles and Other Polygons

The pair of figures is similar. Find the missing side.

• x = 20
• x = 12
• x = 5
• x = 4

When figures are similar, their corresponding angles are__________________.

• congruent
• proportional
• yellow
• obtuse

When figures are similar, their corresponding sides are__________________.

• congruent
• proportional
• invisible

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

Which triangle is similar to the above triangle ?

• A

• B

• C

• D

What is the measure of angle T ?

The image shows a right triangle. What is the measure of Angle D ?

Angle 1 measures 110º. What is the measure of Angle 2?

What is the measure of Angle A ?

What is the measure of Angle 4?