The total surface area of a hemisphere of radius r is(a) πr2(b) 2πr2

1.	The total surface area of a hemisphere of radius r is(a) πr2(b) 2πr2(c) 3πr2(d) 4πr2
Answer» The total surface area of a hemisphere of radius r is (a) ${πr}^{2}$ (b) 2 ${πr}^{2}$ (c) 3 ${πr}^{2}$ (d) 4 ${πr}^{2}$

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