Similar Polygons and Proportions

Are the triangles similar?

• Yes

• No

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Review the picture. Find the missing side measurement in the picture using a proportion.

• w = 18 m

• w = 6 m

• 6 m

• w = 0.16 m

If ABCDE ∼ GHJDF, then∠B is congruent to _______

• ∠H

• ∠D

• ∠F

• ∠J

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

• 3.75

• 9.75

• 10

• 12

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 2:5

• 5:3

• 3:5

• 2:3

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 5:6

• 6:5

• 4:7

• 2:3

Solve for x. The two figures are similar.

• x = 6

• x = 9

• x = 7

• x = `0

Solve for x. The two figures are similar.

• x = 8

• x = 2

• x = 4

• x = 6