arisasmith arisasmith

26-03-2020
Mathematics

contestada

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 class=

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cassyleporati6p30u86 cassyleporati6p30u86

26-03-2020

Answer: 3053.6 in^2

Step-by-step explanation:

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misspeaches misspeaches

26-03-2020

Answer: 972π in²

Step-by-step explanation:

total surface area of a hemisphere = 3πr²

radius (r) = 18

(3)(18)²π

= (3)(324)π

= 972π

Answer Link

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