Question

Find the curved surface area and total surface area of a cube of edge 20cm.(2marks)​

Answer 1

Answer:

A=2400.....................

Answer 2

Answer:

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Step-by-step explanation:

given, a = 20cm

CSA OF CUBE = 4a²

= 4×20×20cm²

= 4× 400

= 800cm²

TSA OF CUBE = 6a²

= 6×20×20cm²

= 6×400cm²

= 2400cm²

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