Prove that sum of angle formed betwwen tangents and formed at centre i

1.	Prove that sum of angle formed betwwen tangents and formed at centre is 180
Answer» Yes it will be done by ,angle on the tangents by the radii are 90° so 2 angles are 90+90=180 .Now remaining 2 angles which are at centre and between 2 tangents are 360-180=180. QED

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