Question

One angle of the quadrilateral is 90 degree and all other angles are equal find each equal angle

Answer 1

Step-by-step explanation:

we know that sum of all angles in quadrilateral is 360 degrees if one angle = 90 then the other equal angles are also 90

verification.

90+3X=360 ;3X= 360-90;3X= 270;X=270/3 ; X= 90