Answer:
4
Step-by-step explanation:
∠1 + 172° = 180° (linear pair)
∠1 = 180°-172°
∠1 = 8°
∠1 + 11x + 32x = 180° (angle sum property of a triangle)
8° + 11x + 32x = 180°
11x + 32x = 180°-8°
43x = 172
x = 172/43
x = 4
hope you understood!!
