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Mathematics

Grade9

Easy

Question

A cone has a height of 8 cm and a base radius of 4 cm. Find the volume of this cone.

142.34 cm³
120 cm³
100 cm³
134.04 cm³

hint Hint:

The volume of a cone is given by
$1 third pi cross times left parenthesis b a s e space r a d i u s right parenthesis squared cross times h$

The correct answer is: 134.04 cm³

Volume = $fraction numerator 1 over denominator 3 end fraction pi r to the power of 2 end exponent h$
$equals fraction numerator 1 over denominator 3 end fraction cross times pi cross times 4 to the power of 2 end exponent cross times 8$
= 134.04 centimeters³

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