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what is the first step in finding the surface area of a prism,cylinder,pyramid,and cone?​

Sagot :

Answer:

Let us consider the rectangle prism given below. Here is the basic idea to find surface area of the above rectangular prism. Surface Area = Sum of areas of all six faces Let us find the area of each face separately. Area of the front face (red colored) = l x h Area of the back face (blue colored) = l x h Area of the left side face (green colored) = w x h Area of the right side face (green colored) = w x h Area of the top portion (purple colored)

Step-by-step explanation: