Question

Find the curved surface area of sphere with radius 7cm

Answer 1

Answer:

A=4πr2=4·π·72≈615.75216cm²

615.75cm²

Step-by-step explanation:

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Answer 2

Answer:

csa of sphere is given below.

Step-by-step explanation:

formula of csa is 4 pie r square.

put the value of r in formula

answer is 616 cm square