1.

IfA_(1)and A_(2)be areas of two regular polygons having the same perimeter and number of sides be n and 2n respectively, then :(A_(1))/(A_(2))is

Answer»

`(2 sin((pi)/(N)))/(1+COS((pi)/(n)))`
`(2 cos((pi)/(n)))/(1+sin((pi)/(n)))`
`(2 cos((pi)/(n)))/(1+cos((pi)/(n)))`
`(2 sin((pi)/(n)))/(1+sin((pi)/(n)))`

Answer :C


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