volume of cube is 216cm³. Find its total
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2
Step-by-step explanation:
Let the side of a cube is a cm
Given:
Volume of a cube is 216 cm³
⟹ a³ = 216
⟹ a=6
Total surface area of cube is
6a²
= 6×6²
= 216 cm²
Answered by
6
Let the side of a cube be = a cm
Given volume of a cube is 216 cm³.
⟹ a³ = 216
⟹ a = ∛216
⟹ a = 6 cm
Surface area of cube = 6 a²
= 6 x 6²
= 6 x 36
= 216 cm²
∴ Side = 6 cm
∴ Surface Area = 216 cm²
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