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CBSE Class 9 Answered

If AB and BC are two chords of a circle with centre Of such that ABO=CBO, prove that AB=CB.
Asked by Subhamitapandit | 16 Feb, 2019, 09:10: AM
answered-by-expert Expert Answer
In ΔOAB and OBC, begin mathsize 12px style angle end styleAOB = begin mathsize 12px style angle end styleCOB (given)
OB is common side.  side OA = side OC (radius of circle)
 
Hence ΔOAB and ΔOBC are similar triangles.
 
Hence AB = BC
Answered by Thiyagarajan K | 16 Feb, 2019, 11:03: AM

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