Question

the measure of two angles of a quadrilateral are 135 degree and 45 degree the third angle is equals to half of the fourth angle find the measure of the third and The Fourth angle​

Answer 1

Step-by-step explanation:

1. all angles of triangle are 180
2. 145+45+x=180
3. 190+x=180
4. x=180-190
5. x=-10