perpendicular height of a cone is 21cm and radius is 20cm. find the valume of cone.
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Step-by-step explanation:
Volume of cone = πr²h
radius = 20 and height = 2
so, 20²π * 21
= 400π * 21
= 1256.637…*21
Ans = 26389.38cm²(Approx)
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