Two tangents PA & PB are drawn from an external point P to a circle centred 'O'.If OP = diameter of the circle, then prove that APB is an equilateral triangle.
Asked by pkirankumar4321 | 6th Jan, 2016, 09:52: PM
Answered by Rashmi Khot | 7th Jan, 2016, 11:49: AM
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