Chhattisgarh Pre Engineering Test
Question : O is the centre of the circle and $\angle AOB = 150°$, and the shaded portion is $x$ part of the circular region, then what will be the value of $x$?
Option 1: $\frac{1}{12}$
Option 2: $\frac{1}{9}$
Option 3: $\frac{1}{6}$
Option 4: $\frac{1}{4}$
Correct Answer: $\frac{1}{6}$
Solution :
Given: O is the centre of the circle and $\angle AOB = 150°$. We know that the vertically opposite angles are identical. ⇒ $\angle COD=150°$ Now, The angles between the shaded region and the two angles $\angle AOB$ and $\angle COD$ are making a complete
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I hope this helps you.
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