Scaled Area

Original rectangle sides: 2 units and 1 unit

Scale factor: 3

Area of Scaled Copy: ?

• 18 square units

• 6 square units

• 9 square units

• 12 square units

Original rectangle sides: 4 units and 3 units

Scale factor: 2

Area of Scaled Copy: ?

• 48 square units

• 12 square units

• 6 square units

• 24 square units

Original rectangle sides: 4 units and 3 units

Scale factor: 10

Area of Scaled Copy: ?

• 1200 square units

• 40 square units

• 30 square units

• 120 square units

Original rectangle sides: 8 units and 4 units

Scale factor: 0.5

Area of Scaled Copy: ?

• 8 square units

• 16 square units

• 4 square units

• 2 square units

• 9360 ft.

• 121680 ft.

• 406080 ft.

• 561600 ft.

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

what is the length of x?

• 9mm

• 4mm

• 4/9mm

• 36mm

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

Area of original rectangle: 10 square units

Scale factor: 3

Area of Scaled Copy: ?

• 30 square units

• 20 square units

• 40 square units

• 90 square units

Area of original rectangle: 5 square units

Scale factor: 2

Area of Scaled Copy: ?

• 10 square units

• 20 square units

• 15 square units

• 25 square units