Answer:
135°
Step-by-step explanation:
Extend the base of the angle and draw a line perpendicular to the vertex.
It looks like the arm of the angle bisects a right angle in the second quadrant.
So, ∠ 2 ≈ 45°.
Your angle equals
∠1 + ∠2 ≈ 90 ° + 45° ≈ 135 °
