1.

If r, h and l are the radius, height and slant height respectively of a comen, than which of the following relations is correct ?

Answer»

`R^(2)=H^(2)+L^(2)`
`h^(2)=l^(2)=r^(2)`
`l^(2)=h^(2)+r^(2)`
`l^(2)=h^(2)-r^(2)`

Answer :C


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