Question

quadrilateral two angles are 80 and 120 the remaining two angles are equal what is the measure of each angle

Answer 1

Let the angle be = x°
so, 120+80+x+x=360
200+2x=360
2x= 160
x =80°
So all the four angles are, = 120°,80°,80°,80°

Answer 2

Step-by-step explanation:

let the measure of each remaining angles be X.

80 + 120 + x + x = 360

200 + 2x = 360

2x = 360 - 200

2x = 160

X = 160/2

X = 80 so the measure of remaining 2 angles is 80 degree each