Change in Dimensions

A solid has a surface area of 30 square inches and is enlarged by a scale factor of 2.5. What is the surface area of the larger solid?

• 187.5 square inches

• 75 square inches

• 468.75 square inches

• None of these

Two similar cones have volumes of 2 cubic inches and 16 cubic inches. What is the scale factor that relates the cones?

Sphere has a volume of 40 cubic meters and is reduced by a scale factor one-fourth. What is the volume of the smaller sphere?

• 10 cubic meters

• 0.625 cubic meters

• 5 cubic meters

• 2.5 cubic meters

Michael has a ball that has a radius of 3 inches and Patrick has a ball that has a radius of 9 inches. How many times bigger is the volume of larger ball?

Michael has a ball that has a radius of 3 inches and Patrick has a ball that has a radius of 9 inches. How many times bigger is the surface area of larger ball?

A solid is enlarged by a scale factor of 10. Which measurement, volume or surface area, changes the most?

• Volume

• Surface Area

• Color

• Shape

A cube has a surface area of 28 square feet and is reduced by a scale factor of one-half. What is the surface area of the smaller cube?

• 7 square feet

• 14 square feet

• 56 square feet

• 3.5 square feet