Q.

The angle at a point is:


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a

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b

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c

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d

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answer is D.

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Detailed Solution

concept
Here the angles are measured with respect to a circle centred at the common endpoint of the ray and to find the value we need we know that the sum of the angles at a point is always 360 degrees.
It turns out that the angle is one point.  We know that the angles are measured with respect to a circle centred at the common endpoint of the rays.  For example, if you pull a few rays from a point and sum all  the angles between adjacent rays,  the sum will always be 360 ​​degrees, regardless of the number or direction of the rays. The sum of angles at a point is always 360 degrees. So the required value is 360.
Hence, option 4 is correct.
 
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