Math question that I need help with

Question

Solve the triangle using the Law of Sines. (Assume b = 4,

 ∠A = 50°,

 and ∠C = 100°.

 Round the lengths to two decimal places.)

a	=
c	=
∠B	=	°

Answer 1

B = 30

C>A>B

100>50>30

c>a>b=4

c>a>4

c=4sin100/sin30=8sin100=7.88

a=4sin50/sin30 =6.13