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# Changing the subject watch

1. How do you change the subject for volume of a cylinder volume = pi x radius squared height to radius =...
Also how do you change r= square root of A/pi to A??
2. for the radius. i think its vol/PIxH all square rooted = radius

Pi x r^2 = A
3. Thankyouuu
(Original post by mrmotoman20)
for the radius. i think its vol/PIxH all square rooted = radius

Pi x r^2 = A
4. (Original post by stephielola)
Thankyouuu
No probs

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