Question

measure the exterior angles formed at each vertex for quadrilaterall

Answer 1

Answer:

There’s no way to tell unless you assume that the quadrilateral is convex.

In that case, the sum of the exterior angles, taken one at each vertex, is 360 degrees. In fact, that’s true of any convex polygon - not just quadrilaterals. If you meant to include both exterior angles at each vertex in the total then it would be 720 degrees.

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