What is the total surface area (including the area of the floor) of a building shaped as a hemisphere with radius 106 ft ? Round your answer to the nearest whole number.

Question

asked Mar 25, 2022 97.3k views

1 Answer

Ahmad Maleki · Answer 1 · 2022-03-31T12:32:27+0000

Answer:

105897 ft²

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)