Question

If three angles of a quadrilateral
each equal to 75 the fourth
angle is​

Answer 1

Answer:

Let the fourth angle be x.

Sum of all angle of quadrilateral = 360°

75 + 75 +75 + x = 360°

225 + x = 360°

x = 360 - 225

x = 135°

So the measure of fourth angle is 135°

Welcome in Advance :P

Answer 2

Answer:

Step-by-step explanation: Answer 135°