Equilateral cylinder

A hectolitre of water will fit in an equilateral cylinder. What are its dimensions?

Correct answer:

r =  2.5154 dm
h =  5.0308 dm

Step-by-step explanation:

V=1 hl dm3=1 100  dm3=100 dm3 2r=h V=πr2 h=πr3 r=32πV=32 3.1416100=2.5154 dm
h=2 r=2 2.51545.0308 dm   Verifying Solution:  V2=π r2 h=3.1416 2.51542 5.0308=100 l



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