Question

Which proportion could be used to find the length of side b?

С
a
829
58°
А
8.4
B
sin 82
O A.
sin 58
8.4
sin 82
B.
sin 40
8.4
C.
sin 40
8.4
sin 58
b
sin 82
D.
sin 58
b
a

Answer 1

B

Explanation:

Solve for angle C,

180=58+82+x

x=40

m<C = 40

Using law of sines,

sin(40)/8.4 = sin(82)/b