209,403 views
37 votes
37 votes
PLEASE HELP ME!!! It’s High School Math. Algebra 2 and it’s on Big Ideas Math.

PLEASE HELP ME!!! It’s High School Math. Algebra 2 and it’s on Big Ideas Math.-example-1
User Trolloldem
by
2.6k points

1 Answer

8 votes
8 votes

Answer:

hope this will help you


let \: the \: angle \: be \: \alpha \\ \cos( \alpha ) = (b)/(h) \\ \cos(60) = (x)/(9) \\ (1)/(2) = (x)/(9) \\ x = (9)/(2) \\ x = 4.5

User LuvAspNet
by
2.6k points