Scaling Area

• 24 square units

• 36 square units

• 48 square units

• 60 square units

• 300 square units

• 15 square units

• 60 square units

• 24 square units

• 6 square units

• 2 square units

• 12 square units

• 0.75 square units

To find the area of a dilated shape, I should

• Multiply the scale factor by the area of the original shape.

• Multiply the square of the scale factor by the area of the original shape.

• Multiply the cube of the scale factor by the area of the original shape.

• Scale factor using Volume

• Scale factor using Area

• Scale factor using length

• Surface area of a shape

   A polygon with area 10 squared cm  is dilated by a scale factor k=3. Find the area of the image. in squared cm.

• 30

• 3

• 10

• 90

• 4

• 16

When going from the scale factor to the ratio of areas, you...

• square it.

• cube it.

• square root it.

• cube root it.

When going from the ratio of surface areas to the scale factor, you...

• square it.

• cube it.

• square root it.

• cube root it.

Two similar pyramids have slant heights of 6 inches and 12 inches, a 1:2 ratio. What is the ratio of the surface area of the small pyramid to the surface area of the large pyramid?