2.the flat pattern that you can fold to form a solid figure is known as_____ it helps you visualize and describe the surface areas because they are flat representation of solid figures

3.the sum of the areas of it's six faces is the surface area of a______.The area of each face is equal to the product of length and width.

4.the sum of the areas of two circular bases and rectangular lateral area is the surface area of the _______.

5.to measure surface area,we use _______units​