Respuesta :

I think its 71, but I am not 100% sure. Take this as a secondary answer.

profereyes12122

Answer:

C. 71°

Step-by-step explanation:

If angles 4 and 12 are equal and complementary, then they measure 45°

There is a triangle formed by angles 3, 11 and 12

the angle 3 = 64°, angle 12 = 45°

Then by the property of triangles:
angle 11 = (180 - 64 - 45)° = 71°

Hope this helps