Scale Factor with Area

• The perimeter of the new rectangle will be the same as the perimeter of the original rectangle.
• The perimeter of the new rectangle will be 2.5 times as large as the perimeter of the original rectangle.
• The perimeter of the new rectangle will be 5 times as large as the perimeter of the original rectangle.

A figure is multiplied by the scale factor 1/4. What will be the change in area?

• The area will be 1/4 the original area.

• The area will be 1/8 the original area.

• The area will be 1/16 the original area.

• The new perimeter will be 2 times the old perimeter.

• The new perimeter will be 1/2 of the old perimeter.

• The new perimeter will be 3 times the old perimeter.

• The new perimeter will be 4 times the old perimeter.

The surface area of the crate of hockey sticks was 372 sq. ft. If the truck the crate was traveling in was bigger by a scale factor of 6.2, how big was the truck in inches?

• 14,299.68

• 230.64

• 88,658.016

• 1,429,968

The surface area of a desk is 48 square feet. A classroom is bigger by a scale factor of 27. Wha is the surface area of a classroom in square feet?

• 1,296

• 34,992

• 944,784

• 25,509,168

Use the given scale factor to find the new area.

• 1296 in²

• 5184 in²

• 81 in²

• 20.25 in²

Use the given scale factor to find the new area.

• 4000 in²

• 5184 in²

• 250 in²

• 62.5 in²

Use the given scale factor to find the new area

• 5

• 125

• 
• 25

Use the given scale factor to find the new area

• 1/7

• 6

• 1/6

• 7

D. Transform the rectangle below by a scale factor of 4. Calculate the new area.