Prove that the angle in a semi-circle is a right angle.

https://www.meritnation.com/ask-answer/question/prove-that-angles-subtended-by-semi-circle-is-90/circles/1555971

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Prove that the angle in a semi-circle is a right angle.

https://www.meritnation.com/ask-answer/question/prove-that-angles-subtended-by-semi-circle-is-90/circles/1555971

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