The perimeter of a certian sector of a circle is equal to half that of the circle of which the sector . the circular measures of one angle of the sector is
(1) (π - 2) radian
(2) (π + 2) radian
(3) π radian
(4) (π - 3) radian
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third option, π radians is correct answer.
Saarthakkhajuria:
please explain
and thankyou for giving answer
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