Find the the total surface area of a
cube with side 9 cm *
O 486 square centimetre
O 81 square centimetre
O 324 square centimetre
O 129 square centimetre
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Answer..
Ans. is 486 square centimeter......
Answer........
Given, the side of a cube =9cm
The total surface area of cube =6×side2
=6×9×9
=6×81
=486
∴ The total surface area of cube is 486cm2.
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