Question

proof the that the sumof the angle of a quadrilateral is 360 degree..​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

A quadrilateral is a polygon which has 4 vertices and 4 sides enclosing 4 angles and the sum of all the angles is 360°. When we draw a draw the diagonals to the quadrilateral, it forms two triangles. Both these triangles have an angle sum of 180°. Therefore, the total angle sum of the quadrilateral is 360°.

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