SOMEONE PLEASE HELP ME WITH THIS PROBLEM I ONLY HAVE 5 MINUTES TO DO IT YOU DONT NEED TO SHOW WORK ON HOW YOU GOT IT JUST THE RIGHT ANSWER IS FINE THANK YOU!

Question

asked Apr 13, 2021 62.5k views

2 Answers

PNMNS · Answer 1 · 2021-04-19T18:25:30+0000

Answer:

234.3

Explanation:

You use Law of Cosines:

a^2 = b^2 + c^2 - 2bc(cosA)

Plug in the values

a^2 = 400^2 + 375^2 - 2(400*375)(cos35)

a = sqrt(160000+140625-300000(cos35))

a = sqrt(300625 - 300000cos(35))

a is approx. 234.263498466, which rounds to 234.3