Question

Solve the triangle.

A = 52°, b = 14, c = 6

Answer 1

R u familiar with cos rule?

Answer 2

Yes, I already have side a as 11.3 but I need help finding the other two angles B and C!

Answer 3

u can use sine rule

Answer 4

I did and I got 77.5 degrees for B and that's not in my answer options :(

Answer 5

what r ur answr options?

Answer 6

a ≈ 14.9, C ≈ 24.2, B ≈ 103.8

a ≈ 11.3, C ≈ 24.2, B ≈ 103.8

a ≈ 14.9, C ≈ 28.2, B ≈ 99.8

No triangles possible

so far I have the 3rd one as my answer but i still want to make sure C=24.2 and B=103.8 if that's even the right answer,

Answer 7

heellp meeee!

Answer 8

i will go the 2nd one

Answer 9

its depend on digits decimal, i got B = 76.704
use the identity :
sinx = sin ( 180 - x)
so,
sin76.704 = sin(180 - 76.704) = sin103.296
it nearest B = 103.8

Answer 10

A+B+C = 180
C = 180 - (A+B)
C = 180 - (52 + 103.8)
C = 180 - 155.8
C = 24.2

Answer 11

Thank you !