Question

if one angle of the quadrilateral is 150 degree and other three angles are equal. Each equal angle is​

Answer 1

Answer:

70 each

Step-by-step explanation:

sum of all angels of quadrilateral =360

Answer 2

Answer:

70°

Step-by-step explanation:

Let the three equal angles be x°.

Sum of angles of a quadrilateral= 360°

or, 150+x+x+x = 360°

or, 3x= 360-150

or, x= 210/3

or, x= 70°