Q. 85.0( 1 Vote )

# If *AB, BC* and *CD* are equal chords of a circle with *O* as a centre and *AD* diameter, than ∠*AOB* =

A. 60°

B. 90°

C. 120°

D. None of these

Answer :

We can't say that,

∠AOB = 60°, 90° or 120°

So, angle AOB is none of these.

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