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babymother [125]
3 years ago
11

What is the total surface area (including the area of the floor) of a building shaped as a hemisphere with radius 106 ft ?

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0

Answer:

105897 ft²

Step-by-step explanation:

let, r be the radius, so r = 106 ft

Surface area of a hemisphere,

2πr²+πr²

= 2π×106²+π×106²

= 105897 (rounded to the nearest whole number)

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Question in order:

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