Spherical segment

The spherical segment with height h=2 has a volume of V=112. Calculate the radius of the sphere which is cut in this segment.

Correct answer:

r =  9.58

Step-by-step explanation:

h=2 V=112  V = 31 π h2(3rh)  r=π h2V+h/3=3.1416 22112+2/3=9.58



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Showing 2 comments:
Math student
Can you show the step by step process

7 years ago  3 Likes
Dr. Math
To find the radius R of the sphere from which a spherical segment of height h = 2 and volume V = 112 is cut, we can use the formula for the volume of a spherical segment:

V = π h2 (3R - h)/3


Given:
- V = 112
- h = 2

Substitute the known values into the formula:

112 = π (2)2 (3R - 2)/3


Simplify the equation - thus, the radius R of the sphere is:

R = 28/π + 2/3


This is the exact form of the radius. If a numerical approximation is needed, you can substitute π ≈ 3.1416 :

R ≈ 28/3.1416 + 2/3 ≈ 8.9127 + 0.6667 ≈ 9.5794


So, the radius of the sphere is approximately 9.58 units.





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