The answer is C. Why? well, you should know SOH-CAH-TOA. IN THIS CASE YOU WILL USE SOH. SINE OVER HYPOTENUSE. THEN YOU SUBSTITUTE. SIN 45°= OPPOSITE/HYPOTENUSE. SIN45°=X/13 WHICH GIVES U CHOICE C.
I think its C) bc you would take 3.14 x4= 12.56
Yes, your current answer is correct. Divide each term by the divisor.
Of I don’t know sorry about that
