Unit 9 retest- 8th grade math

A new refrigerator comes packaged in a box shaped like a rectangular prism. The base of the box measures 6 feet by 8 feet. The total surface area of the box is 432 square feet. What is the height of the box in feet?

• 12 ft

• 7 ft

• 13.7 ft

• 24 ft

The diagram shows the height of a cone that holds ice cream.

The cone has a volume of 3.5π cubic inches.

Which measurement is closest to the radius of the cone in inches?

• 2.34 in.

• 1.75 in.

• 2.27 in.

• 1.32 in

Select the lateral surface area of the box of old magazines with dimensions 30 cm, 80 cm, and 68 cm.

• 8,880cm²

• 19,760cm²

• 4,440cm²

• 15,320m²

A bowling ball shaped like a sphere has a diameter of 34.6 centimeters. Which measurement is closest to the volume of the bowling ball in cubic centimeters?

• 5,014.65cm³

• 17,3506.96cm³

• 1,253.66cm³

• 21,688.37cm³

Which cylinder has the smallest lateral surface area in square inches?

• Cylinder W

• Cylinders X

• Cylinders Y

The volume of the cone is about ____________ than the volume of the cylinder.

• 3,732.21 cubic centimeters greater

• 3,732.21 cubic centimeters less

• 7,464.42 cubic centimeters greater

• 7,464.42 cubic centimeters less

A container is shaped like a cylinder with a height of 8 inches. What is the total surface area of the container in square inches?

• 879.65 in²

• 282.74 in²

• 1,130.97 in²

• 408.41 in²

Which is closest to the volume of the cylinder with a lid that is the shape of a hemisphere?

• 7,104.19 ft³

• 6,031.86 ft³

• 1,072.33 ft³

• 4,959.53 ft³

What is the lateral surface area of the triangular prism in square meters?

• 444 m²

• 296 m²

• 333 m²

• 130 m²

The farmer wants to store 4,000 cubic feet of wheat grain in one silo. Select the silo that the farmer could use to store this amount of grain.

• Silo A

• Silo B

• Silo C