Answer key to a unit six lesson three surface area of cubes and rectangular prisms
1. A cube has a surface area of 96 square units. Find the length of each side.
- Each side of the cube is 4 units long.
2. A rectangular prism has a surface area of 150 square units. If the length is 5 units and the width is 4 units, find the height.
- The height of the prism is 6 units.
3. Find the surface area of a cube with a side length of 3 units.
- The surface area is 54 square units.
4. A rectangular prism has a surface area of 120 square units. If the width is 4 units and the height is 5 units, find the length.
- The length of the prism is 6 units.
5. Find the surface area of a cube with a side length of 6 units.
- The surface area is 216 square units.
6. A rectangular prism has a surface area of 180 square units. If the length is 6 units and the height is 5 units, find the width.
- The width of the prism is 6 units.