Question

the measure of a two angles of a quadrilateral are 82 degree and 90 degree if the other two angles are in the ratio 4 ratio 5 find the measure of each of these two angles of the quadrilateral

Answer 1

4:5

4x and 5x

82+90+4x+5x=360

9x=188

x=188/9

4*188/9 and 5*188/9

4*20.8 and 5*20.8

83.2 and 104