Question

the base radius of cone is 12 cm and its height is 16 cm find the slant height of this cone​

Answer 1

Slant height be L

L2=r2+h2

L2=12(sq)+16(sq)

L2=144+256

L2=400

L=20cm.. Slang height is 20cm

Hope it helps you

Answer 2

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Here is your answer....,









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As we know,
$\large{ \:slant \: height = \sqrt{ {h}^{2} + {r}^{2} }}$




So,


$\large{ \:l = \sqrt{ {h}^{2} + {r}^{2} }}$



$\large{ \:l = \sqrt{ {16}^{2} + {12}^{2} }}$



$\large{ \:l = \sqrt{ {256}+ {144} }}$



$\large{ \: l = \sqrt{400}}$



$\large{ \: l = 20}$







Hence...,
The Slant Height of the Cone is 20 cm.






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