Step-by-step explanation:
the one by 64° is 64°
top triangle= 64+56=120
180-120=60°
therefore top triangle is 56°, 60°, and 64°
bottom triangle= 71+64=135
180-135=45°
therefore, bottom triangles is 64°, 71°, and 45°
Answer:
x= 37/12
