maths

Asked on December 20, 2019 by **Lizakamcham Chan**

$CSA=47.1cm_{2}$

$πrl=47.1$

$r=3cm$

$3.14X3Xl=47.1$

$l=3.14X347.1 $

$l=5cm$

$v=31 πXr_{2}Xh$

$h=( l_{2}−r_{2})$

$h=( 5_{2}−3_{2})$

$h=1 6$

$h=4cm$

$V=31 X3.14X3_{2}X4$

$V=37.68cm2$

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