Answer:
Step-by-step explanation:
ΔABC ≅ΔFDE. So corresponding side and angles are equal.
∠ACB = ∠FED
∠ACB = 34.7
I believe the answer to this equation would be the answer 10. Work shown below.
Quotient = division
50 / 10 = 5
Minus = subtraction
15 - 5 = 10
Hope this helped you