antoniolioce911 antoniolioce911
  • 01-05-2018
  • Mathematics
contestada

The viewing room at a planetarium is in the shape of a hemisphere. The diameter of the hemisphere is 48 feet. What is the volume of the viewing room?

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devinhampton devinhampton
  • 01-05-2018
A hemisphere is half a sphere.
So, the volume of a hemisphere is the half of the volume of the complete sphere.
The formula for the volume of a sphere is:
V = (4/3) π (radius)^3
Using π = 3.14 and radius = diameter / 2 = 50 feet / 2 = 25 feet.
You get:
V = (4/3) (3.14) (25 feet)^3 = 65,416.7 feet^3
Answer: 65,416.7 cu. ft.

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anaylinblanco anaylinblanco
  • 05-03-2020

Answer:

9,216π cubic feet

Step-by-step explanation:

Answer Link

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