If total surface area of a cube is 54cm sq, then its lateral surface area is equal to
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TSA= 6a²
54=6a²
54/6=a²
9=a²
3=a
LSA = 4a²
= 4 × 3 × 3
= 36 cm²
54=6a²
54/6=a²
9=a²
3=a
LSA = 4a²
= 4 × 3 × 3
= 36 cm²
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