Question

1 angle of a quadrilateral is 180 degrees & the remaining 3 angles are equal find the 3 angles (answer given 84 degrees)

Answer 1

Explanation:

The total degrees is always 360. So whe get 360=180+3x. 360-180=3x. 180=3x. x=60. I don't know how you're supposed to get 84 degrees.