# CBSE Class 9 Answered

**AC is the diameter of the circle whose centre is O .AB and CD are parallel chords of a circle .prove that OA = OB**

Asked by arvindhsb2005 | 14 Jan, 2020, 09:14: PM

Expert Answer

The question should be :

AC is the diameter of the circle whose centre is O. AB and CD are parallel chords of a circle. Prove that AB=CD

Solution:

In triangles ABC and ACD,

Answered by Renu Varma | 23 Jan, 2020, 10:27: AM

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