Question

sum of four angles on a straight line is 360 degree ​

Answer 1

Answer:

Step-by-step explanation:

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°.

Answer 2

Answer:

one angle is 90 degrees

Step-by-step explanation:

therefore 90 ×4 is

360

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