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Question

What will be the angle in each sector that is to be considered?

A
45
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B
60
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C
30
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D
90
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Solution

The correct option is B 60
The angle in each sector will be the angle at each vertex of the equilateral triangle which is 60. In each sector, there will be an angle called θ, which is called the central angle. Here the given triangle is equilateral, since all the 3 sides are equal, which is equal to the diameter of the circle and all the angles are equal, which is equal to 60, then the central angle will be equal to 60.

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