Question

Vertex of an angle belongs to
a) interior
b) exterior
c) both a and b
d) none​

Answer 1

The point about which an angle is measured is called the angle's vertex, and the angle associated with a given vertex is called the vertex angle. In a polygon, the (interior, i.e., measured on the interior side of the vertex) are generally denoted or the sum of interior angles in any n-gon is given by (n-2)pi radians, or 2(n-2)×90 degrees (Zwillinger 1995, p. 270).

so ur answer is option a

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Answer 2

option a is ur answer

this is ur answer