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The length of an edge of a cube is 3.5 cm. Find its total surface area.
Question

The length of an edge of a cube is 3.5 cm. Find its total surface area.

A.

73.5 cm²

B.

36 cm²

C.

27 cm²

D.

154 cm²

Correct option is A

Total Surface Area of Cube = 6a2=a^2 = 6×3.52=73.5 cm26\times 3.5^2 = 73.5\, cm^2​​

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