Answer:
58 is answer.
Being alternate angle.
it's answer is 58°
Step-by-step explanation:
<d + 58°= 180° {being linear pair }
<d = 180°-58°
<d = 122°
Now <a + <d = 180° {being co-interior angles }
< a + 122° = 180°
<a = 180° - 122°
< a = 58°
hope it helps :)
