Four rays are emitted from the point O. Find the sums of the measures of all the angles at O.
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Answer:
2π Radian planer angles OR
4π Steradian solid angles
Step-by-step explanation:
As there is no reference Axis is given in the question, we can not consider radial angles for 4 rays in anticlockwise direction.
Hence we need to consider only the absolute angles in between rays. Considering all the angles in a same plane we will have the sum is angles as 360°.
However, if we consider 3D solid angles at the point O, we will have the sum as 4π Steradian.
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