Difficult Similar Figures

Find the height of the person using what you know about similar triangles.

• 4 ft

• 6.25 ft

• 1.25 ft

• 5.75 ft

Sides in similar figures must be proportional.  

• True

• False 

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

• x = 1

• x = 3

• x = 9

• x = 5

Find missing side

• 5 m

• 7 m

• 9 m

• 11 m

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

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

The polygons are similar. Find x.

• x = 2

• x = 6

• x = 4 

• x = 8

Solve for x.

• 2

• 4.5

• 7

• 4

Solve for x.

• 3

• 5

• 6

• 9

Find the perimeter of the large triangle. (First find the missing side length)

• 24

• 36

• 12

• 54