Question

three angle of a quadrilateral are 70 ,80 and 95 find the fourth angle

Answer 1

115 is fourth angle


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Answer 2

Let the first angle be X.

Sum of all the angles in a quadrilateral = 360

70 + 80 + 95 + x = 360

= 245 + x = 360

= X = 360 - 245 = 115 Ans.