SOLUTION: Find the volume of a cylinder with a diameter of 10 inches and a height that is three times the radius. Use 3.14 for pi and round your answer to the nearest tenth. (Hint: You may o

Question 967401: Find the volume of a cylinder with a diameter of 10 inches and a height that is three times the radius. Use 3.14 for pi and round your answer to the nearest tenth. (Hint: You may only enter numerals, decimal points, and negative signs in the answer blank)
i got 1177.5 is that correct?
Found 2 solutions by jim_thompson5910, addingup:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
radius = r = d/2 = 10/2 = 5
height = h = 3*r = 3*5 = 15

V = pi*r^2*h
V = 3.14*r^2*h
V = 3.14*5^2*15
V = 1,177.5

You have the right answer
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Since the radius is 1/2 of the diameter:
Radius= 5
Height= 5*3= 15
Area of a circle:
A= Pi*r^2= 3.14*5^2= 3.14*25= 78.5
And the volume:
V= A*Height= 78.5*15= 1,177.5 cubic (inches, centimeters, whatever)
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