SOLUTION: A cylindrical drum has a diameter of 3 yards and a volume of 65 cubic yards. What is the height of the drum? (Hint: Use V = пr2h)
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Question 295688: A cylindrical drum has a diameter of 3 yards and a volume of 65 cubic yards. What is the height of the drum? (Hint: Use V = пr2h)
Answer by Deina(147) (Show Source): You can put this solution on YOUR website!
A cylindrical drum has a diameter of 3 yards and a volume of 65 cubic yards. What is the height of the drum? (Hint: Use V = )
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Variables Used
- V = volume
- d = diameter
- r = radius
- h = height
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As you stated, the volume of a cylinder is found with
We know V = 65 and we know d = 3.
Since the radius = 1/2 diameter, (r) = 1 1/2 or 3/2
To separate h, we will change the :
Divide both sides by so
so from
we substitute 65 for V and 3/2 for r giving us:
giving a decimal approximation of h as 9.1956 yards
& bob's your uncle!
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