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A cylinder has a surface area of 150π inches2 . What is its height if the radius is 5 inches?

A cylinder has a surface area of 150π inches2 . What is its height if the radius is 5 inches?
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2 votes
A cylinder has a surface area of 150π inches2 . What is its height if the radius is 5 inches?

User Komal Cr
by
8.5k points

2 Answers

5 votes
15inches
Double the radius is 10 which is the diameter and 150π divide by 10π equal to 15 inches
User David Avsajanishvili
by
7.8k points
0 votes
Using the formula

h=(A/2πr)﹣r
Plug in the values in the equation
h = (150π/2π5)-5
(π would cancel π and 2×5=10. Therefore 150÷10=15)
h= 15-5
h = 10
User Dmitry Sikorsky
by
7.9k points
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