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if the slant height (l) of a cone is equ...

if the slant height (l) of a cone is equal to the square root of the sum of the squares of radius (r) and height (h) then,

A

`l=r^(2)+h^(2)`

B

`l=sqrt(r^(2)+h^(2))`

C

`l^(2)=sqrt(r^(2)+h^(2))`

D

`r^(2)-h^(2)=l^(2)`.

Text Solution

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The correct Answer is:
B
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