Maths / Circles / Equal Chords of a Circle Subtend Equal Angle at the Centre

QUESTION

 O is the centre of the circle given below. If AM = BM and $\angle AOM=70^o,$ then what is the measure of $\angle MOB\;?$

 OPTIONS A. $70^o$ B. $60^o$ C. $90^o$ D. 110o
Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

As $AM=BM \; and \; \angle AOM=70^o.$

Equal Chord subtend equal angle at the centre

$\angle MOB = 70^0$

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