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stellarik [79]
3 years ago
6

What is the surface area of a cube whose edges are 11 inches long?

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
8 0
Surface area is the total area of the surface. A cube has 6 surface, and each surface is the same. Each surface is a 11 by 11 square. Therefore there will be 6 11in. x 11in. surfaces. The math would be 11x11x6 =726.
Zarrin [17]3 years ago
5 0

Answer:

726 in²

Step-by-step explanation:

The surface area of a cube is the area of each side of the cube multiplied by 6 (since the cube has 6 sides).

To know what is the area of each side, the formula is A= l² where l is the length. Therefore we would have that the area is 11²=121.

Now we are going to multiply this number by 6 to find the surface area, SA = 121 x 6 = 726 in²

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