Similar Figures Scale Factor and Shadow Problems

Q1. What is the result of 74 + 30?

• 74

• 100

• 104

• 108

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

• x = 9

• x = 28

• x = 7

• x = 63

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

• x = 20

• x = 12

• x = 5

• x = 4

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

• 2:3
• 1:3
• 3:2
• 3

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

Two hexagons are similar with a scale factor of 4/5. If the area of the larger hexagon is 20, what is the area of the smaller hexagon?

• 10.24

• 12.8

• 16

• 25

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?

• 24 feet

• 21 feet

• 27 feet

• 32 feet