Solve this answer chapter name is mensuration question is this the total surface area of a cube is 486cm . Calculate its edge
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Solution :-
Given - TSA of cube = 486 cm²
So, TSA of cube = 6l² where l is the edge of cube
so, 486 = 6l²
486/6 = l²
81 = l²
Taking square root on both the sides
9 = l
So, The EDGE OF CUBE IS 9 cm
Given - TSA of cube = 486 cm²
So, TSA of cube = 6l² where l is the edge of cube
so, 486 = 6l²
486/6 = l²
81 = l²
Taking square root on both the sides
9 = l
So, The EDGE OF CUBE IS 9 cm
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