the hight of a cylinder is 15 cm its curved surface area its 660cm square find its radius
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Answered by
2
h=15cm
C. S. A=660cm
We know that C. S. A of cylinder=2*22/7*rh
660=2*22/7*r*15
660*7=2*22*r*15
660*7/2*22*15=r
r=330*7/22*15
r=30*7/2*15
r=15*7/15
r=7
Radius of cylinder=7cm
C. S. A=660cm
We know that C. S. A of cylinder=2*22/7*rh
660=2*22/7*r*15
660*7=2*22*r*15
660*7/2*22*15=r
r=330*7/22*15
r=30*7/2*15
r=15*7/15
r=7
Radius of cylinder=7cm
Answered by
0
csa of a cylinder is2*22/7*r*h
2*22/7*r*15=660cmsquare
r=660*7/44*15
r=7.
2*22/7*r*15=660cmsquare
r=660*7/44*15
r=7.
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