Similar Triangles and Proportional Lengths

Solve for x and y.

• x=11.43, y=42.78

• x=11.43, y=192.5

• x=14, y=48

• x=10, y=11.43

One property of similar triangles is that corresponding angles of two similar triangles are congruent. What is the second property of similar triangles?

• Corresponding sides are congruent

• Corresponding sides are unrelated

• Corresponding sides are equal

• Corresponding sides are equally proportional

What side corresponds with BC?

• FD

• ED

• EC

• CB

A telephone booth that is 8ft tall casts a shadow that is 4ft long. Find the height of a lawn gnome that casts a 2ft shadow.

• 2 ft

• 4 ft

• 6 ft

• 8 ft

What side corresponds with DE?

• CA

• AB

• EC

• BA

What is the value of X?

• 92

• 2.04

• 2.15

• 2.5

Determine whether the triangles are similar.

• SSS~

• AA~

• SAS~

• not similar

What is the scale factor from the triangle to the left to the triangle on the right?

• 2

• 3/2

• 2/3

• 1/2

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

Two features that are situated in the same way on separate similar figures are called? 

• Scales

• Corresponding parts

• Lines

• Triangles