Area = ( length of a side)2
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You find the square in cm or mm or m or mi of one face and multiply it by all the faces and bam the surface area
Surface area = 4*Pi*radius2
The surface area of a right cone is the amount of square units that is needed to cover the surface of a cone. To find a surface area of a right cone , follow this formula S.A = 3.14rl + 3.14r(r) I hope it helped you.
The formula for the area of a square is A=s2. So to find the sidelength, find the square root of the area.
Okay, the last person who edited this, totally screwed up. The formula to find the surface area of a square prism is 2B+Ph, multiply the length of the width of the base to get the area, then multiply that by two. After you have multiplied the base twice, et the perimeter of the base and multiply it by the height of the square prism.