The volume of acircular pipe of length 100cm is 3850cm3. find its diameter??
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x r2 x 100 = 3850
r2 = 3850/100 x 7/22
r2 = 12.25
r = √12.25
r = 3.5
d= 3.5 x 2
d = 7cm
r2 = 3850/100 x 7/22
r2 = 12.25
r = √12.25
r = 3.5
d= 3.5 x 2
d = 7cm
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22/7 x r2 x 100=3850