Find x, and then any unknown angles in the quadrilateral
![Find x and then any unknown angles in the quadrilateral class=](https://us-static.z-dn.net/files/d16/b8819b6cdb3cf60641caba0ecca2e74c.png)
Answer:
x = 45°
Step-by-step explanation:
summation of all the angles equals 360°
(x + 14) + (3x - 7) + (3x -7) + x = 360
8x +14 -7 -7 = 360
8x = 360
x = 45
P = 45+14 = 59
T = 3x45 -7 = 128
S = 128
R = 45