Surface Area Answers

Which three-dimensional figures have lateral faces that are polygons? Check all that apply.conescylindershemispheresprismspyramidsspheres

510✔ 5060

355060✔ 75

A cone has a radius of 5 cm and a slant height of 10 cm. The area of the base of the cone is π cm2. The lateral area of the cone is π cm2. The surface area of the cone is π cm2.

A box is in the shape of an equilateral triangular prism. If the box is to be covered with paper on its lateral sides, how many square inches of paper are needed?

Which statements are correct? Check all that apply.

12✔ 416

A right pyramid with a regular hexagon base has a height of 3 units. If a side of the hexagon is 6 units long, then the apothem is √3 units long. The slant height is the hypotenuse of a right triangle formed with the apothem and the . Using the Pythagorean theorem c = to find the slant height results in a slant height of units. The lateral area is square units.

A right cylindrical solid is cut in half to form the figure shown. If the length is 20 cm and the diameter is 8 cm, what is the surface area?

A tower is composed of a prism with a square base and a pyramid. The base length is 20 meters, and the height of the prism is 40 meters, while the slant height of the pyramid is 10√2 meters. What is the total surface area, including the bottom base?

A jumbo crayon is composed of a cylinder with a conical tip. The cylinder is 12 cm tall with a radius of 1.5 cm, and the cone has a slant height of 2 cm and a radius of 1 cm. The lateral area of the cone is π cm2. To wrap paper around the entire lateral surface of the cylinder, π cm2 of paper is needed. The surface area, including the bottom base of the crayon, is π cm2.

A cube has a lateral area of 9 square centimeters. What is the length of each edge of the cube?

1✔ 246

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124✔ 6

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