Math, asked by DevilR1380, 1 year ago

Find the side of a cube if its total surface area is 486 CM square

Answers

Answered by sid230

1

total surface area = 486
6(a^2) = 486
a^2 = 81
a = 9
now, side of a cube is 9 cm

Answered by untoldstory

8

Let side be x

T.S.A = 6x²

486 = 6x²

81 = x²

±9 = x

Since side can't be negative
so , side of cube is 9

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