if the base circumference of a right circular cone and its height 220cm and 21cm respectively then the volume of the cone is
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Answer:
Circumference=2πr
220=2×22/7×r
220×7/2×22=r
35=r
Radius=35
Height=21
Volume=1/3πr²h
=1/3×22/7×35×35×21
=22×5×7
=110×7
=770cm³
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