Question

the two angles of a quadrilateral are of 90 degree is the third and fourth angle are in the ratio 2 ratio 3 find the measure of the third and fourth angle

Answer 1

angle 1 = 90
angle 2= 90
angle 3= 2x
angle 4= 3x

we know that sum of angles of a quadrilateral is 360°

90+90+2x+3x = 360°
180+5x = 360
5x = 180
x = 36

angle 3 = 2x = 72°
angle 4 = 3x = 108

Answer 2

sum of all angles of a quadrilateral=360
Let it be x
so,90+90+2x+3x=360
180+5x=360
5x=360-180
5x=180
x=180/5
x=36
so other 2 angles are 2x=2*36=72
                                  3x=3*36=108