Slope Similar Figures Scale Drawings

• 1.5

• 6

• 8

• 10.7

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

What is the new perimeter if the rectangle is enlarged with a scale factor of 3?

• 40 cm

• 60 cm

• 80 cm

• 120 cm

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

Find y.

• 144

• 18

• 72

• 12

What is the new area if the rectangle is enlarged with a scale factor of 3?

• 912 cm²

• 724 cm²

• 864 cm²

• 1220 cm²

Solve the proportion.
____ = ____

• p=31.3

• p=308

• p=924

• p=532

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet

• 16 feet 

• 10 feet

• 4 feet

The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?

• 12 feet

• 16 feet 

• 10 feet

• 4 feet

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft