Scaled Area

What is the scale factor used to get from the small rectangle to the large rectangle?

• 4

• .25

• 21

• 5/7

A rectangle has a area of 10cm². The image is created with a length scale factor of 4. What is the new area?

• 160

• 40

• 400

• 16

What is the area of the small triangle PQR?

• 48

• 30

• 24

• 14

What is the scale factor?

• 4

• 25

• 5

• 6

If a scaled copy of this rectangle is made using a scale factor of 10, then what is the area of the copy?

• 36 cm²

• 360 cm²

• 3600 cm²

• 36000 cm²

The area of this rectangle is 90 km². If a scaled copy of this rectangle is made using a scale factor of 5, then what is the area of the copy?

• 210 km²

• 450 km²

• 4500 km²

• 2,250 km²

The area of this rectangle is 90 km². If a scaled copy of this rectangle is made using a scale factor of 3, then what is the area of the copy?

• 270 km²

• 810 km²

• 30 km²

• 156 km²

The area of this rectangle is 90 km². If a scaled copy of this rectangle is made using a scale factor of 1/3, then what is the area of the copy?

• 36 km²

• 20 km²

• 10 km²

• 90 km²

A square has an area of 225 m². If a copy is made using a scale factor of 3, then what is the area of the copy?

• 75 m²

• 675 m²

• 2,025 m²

• 1,350 m²

If a scaled copy of this rectangle is made using a scale factor of 1/2, then what is the area of the copy?

• 18 cm²

• 9 cm²

• 4.5 cm²

• 2 cm²