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What is the total surface area of a hemisphere with 18 in radius?

What is the total surface area of a hemisphere with 18 in radius?-example-1

2 Answers

4 votes

Answer: 972π in²

Explanation:

total surface area of a hemisphere = 3πr²

radius (r) = 18

(3)(18)²π

= (3)(324)π

= 972π

User Kay Am See
by
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3 votes

Answer: 3053.6 in^2

Explanation:

User Tashay
by
5.2k points