1. The angle in a semi-circle is





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  • By: anil on 05 May 2019 01.55 am
    In a circle, a chord subtends double the angle at the centre of the circle than at any other point on the circumference of the circle. => A diameter subtends 180° at the centre, thus it will subtend half of it, i.e. 90° at any other point on circle.
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