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

QUESTION
 

O is the centre of the circle. If angle ACB=25^o, what will be the measure of angle AOB;?

 

OPTIONS
A. 

25^o

B. 

50^o

C. 

125^o

D. 

65^o

Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

Angle at the centre is double the angle at the circumference

as angle at the circumference = 25^0

angle at the centre = 50^0

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