SOLUTION: A chord of a circle subtends an angle 60° at the centre of a circle of radius 7 cm. Find the perimeter of the minor segment of the circle.

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Question 1140238: A chord of a circle subtends an angle 60° at the centre of a circle of radius 7 cm. Find the perimeter of the minor segment of the circle.
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


The angle is 1/6 of a circle, so the arc length is 1/6 of the circumference.

Also since the angle is 1/6 of a circle, the chord length is equal to the length of the radius.

Then the perimeter of the segment is

%281%2F6%29%282pi%29%287%29%2B7+=+7pi%2F3%2B7