Question

please please tell question number 8 answer​

Answer 1

let x is multiple of all

so angles are : 3x ,7x , 6x , 4x
so, by property of angles in a quad.

3x + 7x + 6x + 4x = 360
20x = 360
x = 18
so,
angles are →

3x = 3(18) = 54°
7x = 7(18) = 126°
6x = 6(18) = 108°
4x = 4(18) = 72°