The area of the base of cone is 346.5 metre square and that of the curved surface area is 577.5 metre square find its volume
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Base area πr^2 =346.5m2
r2=346.5x7/22=110.25=10.5m
CSA= πrl=577.50
= 22X10.5x I/7=577-50
I=577.50x7/22x10.5=17.5m
vol. of. CONE
height=VI7.5^2-10.5^2 = 14m
VOL=1/3πr.^2h
= 22x10.5^2 x 14/3x7=1617m3
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