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Given an arc of a circle, complete th...

Given an arc of a circle, complete the circle.

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Let `PQ` be an arc of the circle. In Order to complete the circle we have to find its Center and radius
Take a point `R` on the are `PQ` and join` PR` and `QR`
Draw perpendicular bisector of `PR` and `RQ` respectively
Let these perpendicular Bisector intersect bisector at point O
Then , `OP=OQ`
Draw a circle with centre O and radius` =OP=OQ` to get the required circle
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