The rectangular prism below has a length of 18 inches, a width of 24 inches, and a height of 12 inches.

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?
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 cube has a lateral area of 676 square feet.What is the side length of the cube?
A pendant is formed using a cylinder and cone. Once assembled, as shown below, the pendant is painted.

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