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The volume of a cone is 18480cm^3 if the height of the cone is 40 cm find the radius of its base

Posted by Damini Damini 5 years ago

CBSE > Class 09 > Mathematics

1 answers

Meenkashi Singh 5 years ago

Let the radius of the cone be r cm. h=40 cm Volume,V=18480 cm3 31×22/7×r2×40=18480 r2=441 r=21 cm

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