Maths / Circles / Angle at the Centre is Double The Angle at Circumference

QUESTION

An equilateral triangle ABC is inscribed in a circle with centre O. The measures of $\angle BOA$ is

 OPTIONS A. $30^o$ B. $60^o$ C. $90^o$ D. $120^o$
Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text
 As ABC is an equilateral triangleSo $\angle C = 60^0$$\angle BOA = 120^0$Angle at the centre is double thw angle at the circumference

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