Question

Three angles of a quadrilateral are equal.If the fourth angle is 120°,find the magnitude of each of the equal angles.​

Answer 1

Answer:

80 degree for each angle

Step-by-step explanation:

According to angle sum property, sum of all angles of a quadrilateral is 360 degree.

So, if we take equal angle as x, then,

360 = 120 + 3x

3x = 360-120

3x =   240

x = 240/3

x = 80

so each equal angle is 80 degree