Determining Similar Figures

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet

• 21 feet

• 27 feet

• 32 feet

Solve for x.

• 3

• 5

• 6

• 9

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

• x = 20

• x = 12

• x = 5

• x = 4

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

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

• x = 10

• x = 4

• x = 2

• x = 5

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Find side length X.

• 30

• 25

• 15

• 40

Find side length X.

• 16

• 18

• 2.4

• 15

Find the missing side length.

• 32

• 35

• 20

• 16

Find missing side

• 5

• 7

• 9

• 11