Question

If radius is 7cm then find C.S.A of a hemisphere​

Answer 1

Answer:

308cm²

Step-by-step explanation:

2πr²

2×22/7×7×7

44×7

308cm²

Answer 2

Step-by-step explanation:

given

radius r = 7cm

c.s.a of hemisphere = 2$\pi$r²

=2×22/7×7×7

=2×22×7

=308cm²

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