Proportional Sides of Triangles

Find side length X.

• 16
• 18
• 2.4
• 15

What is the measure of x?

• 12
• 15
• 6
• 9

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  What is AB to the nearest meter?

• 10
• 12
• 15
• 18

Find the value of x.

• 6.92
• 18.67
• 2.625
• 13.71

A power pole 10 m tall casts a shadow 8 meters long, at the same time that a building nearby casts a shadow 14 m long.  How tall is the building?

• 9 m
• 15.2 m
• 12 m
• 17.5 m

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

• 4 ft
• 2 ft
• 8 ft
• 6ft

Find side length X.

• 22.5
• 10
• 9
• 7.5