The circumference of the base of a cone is 44cm and its height 3 cm then its volume is ________cm
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circumference =2πr
2πr = 44 cm
2×22/7×r = 44
r = 44×7/2×22
r = 7 cm
so, volume of cone = 1/3πr^2h
= 1/3×22/7×7×7×3
= 22× 7
= 154 cubic cm
2πr = 44 cm
2×22/7×r = 44
r = 44×7/2×22
r = 7 cm
so, volume of cone = 1/3πr^2h
= 1/3×22/7×7×7×3
= 22× 7
= 154 cubic cm
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