Question

find the volume of a cone if the radius of it's base is 1.8cm and it's perpendicular height is 4cm​

Answer 1

Answer:

base = circle

so radius of base  = radius of cone = 1.8 cm

perpendicular height = 4cm

Volume  = 1/3πr^2h

= 1/3*22/7*1.8*1.8*4

= 1*22*1.8*1.8*4/7*3

= 285.12/21

= 13.5771 cm^3

Volume  = 13.5771 cm^3

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