B. Read and solve the problem. Write your solution on your answer sheets
1. The surface area of a cube is 486 cm? What is the length of each edge?
2. Each edge of a cube is 6cm long. Find the surface area of the cube.
3. A rectangular prism is 8m by 3 m by 2 m. Find its surface area.
4. A hatbox is in a shape of a cylinder that has a diameter of 12cm and a height of 11 cm. How much paper is needed to cover the box?​