SOLUTION: If a 30cm high cylinder holds 20 litres. What would its diameter be ?

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Question 855140: If a 30cm high cylinder holds 20 litres. What would its diameter be ?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Think of 20 liters as 20%2A1000%2Acm%5E3.

If d is the diameter, then the radius is d%2F2.
30%2Api%28d%2F2%29%5E2=20000
If you can understand the conversion and the forming of the equation, then you are ready to solve for d; otherwise, you might need a little bit more help.


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Please understand, the pi is NOT intended as an exponent. It just looks like in a raised position, a fault of this rendering. pi is a factor.