Question

Three angles of a quadrilateral are equal fourth angle is a right angle find the measure of the angles

Answer 1

Answer:

The sum of the angles of a quadrilateral is 360°.

Let three angles be x. ( they are equal)

x+x+x+ 90°=360°

3x =360°-90°

3x=270°

x=270°/3

x=90

Step-by-step explanation:

hence ,find

please mark me as briliant

Answer 2

Answer:

x+x+x+90=360

Step-by-step explanation:

3x+90=360

3x=360-90

x=270/3

x=90