Unit Test — Unit test Answers

For a project, Gabrielle made a model of an Egyptian pyramid. The square base has a side length measuring 10 inches. The pyramid is 12 inches tall.What is the surface area of the model?

A cube has a lateral area of 676 square feet.What is the side length of the cube?

A square pyramid has a base with side lengths each measuring 40 inches. The pyramid is 21 inches tall, with a slant height of 29 inches.

The base of a cylinder has a radius of 9 centimeters. The cylinder is 12 centimeters tall.

The triangular bases of a triangular prism have three congruent sides, each measuring 10 centimeters. The height of each of the triangular bases is approximately 8.7 centimeters. The height of the prism is 15 centimeters.

The area of the circular base of a cylinder is 36π square units. The height of the cylinder is 2 units.What is the lateral area of the cylinder? Express the answer in terms of π.

The circumference of the base of a cone is 24 inches. The slant height of the cone is 20 inches.What is the surface area of the cone? Express the answer in terms of .

A pendant is formed using a cylinder and cone. Once assembled, as shown below, the pendant is painted.

A square pyramid has side lengths each measuring 8 centimeters. The height of the pyramid is 3 centimeters.What is the lateral area of the pyramid?

A cake is created by assembling two layers as shown in the diagram below. The exposed surfaces of the cake require frosting.