Answer:
B
Step-by-step explanation:
CosA = AB/AC = 12/20 = 3/5
Answer:
A
Step-by-step explanation:
The answer is 21. you take 35 and multiply it by .60
Answer:
y=124°
x=67°
Step-by-step explanation:
For the triangle on the right
180-74-50=56°
then y= 180-56=124°
For the triangle on the middle (that small triangle)
180-85(Head opposite angles)-50=45°
So
x=180-45-68=67°