CBSE Class 9 Answered
The two intersecting chords of a circle make equal angles with the diameter passing through their point of intersection. Prove that the chords are equal.
Asked by Topperlearning User | 07 Feb, 2014, 12:33: PM
Expert Answer
Draw OM AB and ON CD
MOP = 180o - 90o - MPO
= 90o - MPO
= 90o - NPO
= NOP
In OMP and ONP,
OMP = ONP = 90o (by construction)
MOP = NOP (shown above)
OP = OP (common)
Chords AB and CD are equidistant from centre O.
Therefore, AB = CD
(Chords which are equidistant from the centre are equal)
Answered by | 07 Feb, 2014, 02:33: PM
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