Question

the angle of a quadrilaterial are in AP whose common difference is 10 find the angle

Answer 1

let smallest angle be x

so x, x+10,x+20,x+30 are angles

x+ x+10+x+20+x +30 = 360

4x + 60 = 360
4x = 300
x= 75

so angles are
75,85,95,105