SOLVE THIS ASAP and please show me the solving steps

Question

asked Mar 22, 2022 135k views

1 Answer

Alex Chadyuk · Answer 1 · 2022-03-28T20:02:30+0000

Answer:

45.2°

Explanation:

a = 14

b = 11

c = 10

The Law of Cosines is given as:

arccos (a²+b²﹣c²/2ab)

In this above question, to find m

= arccos(11²+14²﹣10²/2·11·14)

= 45.20717°

Approximately = 45.2°

Option d is the correct answer