Answer:15
Step-by-step explanation:
Answer:
The answer is 8.34
U have to use the SOH CAH TOA method
In this case I used tan
so,
tan 50= BC/7
solve for BC= 7* tan 50= 8.34
90 - 9 = 81°
4b - 3s = 40
4b = 40 + 3s
b = 40 - 3s/4
4b - 40 =3s
4b - 40 /3 = s
