l and m are two parallel tangents to circle with centre O Another tangent AB with point of - Maths - Circles

Question

l and m are two parallel tangents to circle with centre O Another
tangent AB with point of contact C intersects l at A and m at B
Prove that AB subtends a right angle at O (Exams tomorrow plzzz )

Rishabh Mittal · Accepted Answer

Dear Student ,

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l and m are two parallel tangents to circle with centre O . Another tangent AB with point of contact C intersects l at A and m at B . Prove that AB subtends a right angle at O . (Exams tomorrow .....plzzz )