Question

Please help ya'll!! Find angle A in the following triangle.
ANswers,
87.2 degrees
85.3 degrees
89.9 degrees
86.8 degrees

Answer 1

use the law of cosines a^2=b^2+c^2-(2*b*c*cosA) --then solve :)

Answer 2

Im on a time crunch. WIll give medal for next one with correct answer.

Answer 3

86.8200411
is A

Answer 4

u mean b??

Answer 5

i meant D

Answer 6

yeah answer D angle A

Answer 7

thanks