# The perimeter of a sector of a circle is 4 times the radius of the circle. Find the angle of the sector in radians and degrees

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by ssaraf69

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by ssaraf69

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Perimeter of a sector = R .Ф where Ф angle of sector & R radius

R Ф = 4 * R => Ф = 4 radians.

2 π radians = 360 degrees => Ф = 4 * 360 / 2 π = 720 / 3.14 degrees

R Ф = 4 * R => Ф = 4 radians.

2 π radians = 360 degrees => Ф = 4 * 360 / 2 π = 720 / 3.14 degrees