<span>m∠A =73.7°
m∠B = 16.3°
m∠C = 90<span>°</span></span>
Answer:
B=-9
Step-by-step explanation:
Technically, I didn't solve it. I used an algebra calculator online called m a t h w a y. It helps a lot but if you really need to know how to solve it on pencil and paper I cannot help you.
I had to space out the website so it let me submit this answer btw
I believe you just multiply 150x3 and get 450