Question

Find the T.S.A of a hemisphere with radius
20cm.
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Answer 1

Step-by-step explanation:

The total surface of a hemisphere = 3(pi)r^2. So if the radius = 10 cm, then the TSA = 3(pi)r^2 = 300(pi) = 942.8571429 sq cm. Therefore for radius r=10 the answer would be 3*3.14*10*10 =942 cm2.

Answer 2

Answer:

this is the correct answer for ur question

Step-by-step explanation:

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