how do i work this home work problem

Question

∠B = 15°,    ∠C = 99°,    c = 130

Solve the triangle using the Law of Sines. (Round side lengths to the nearest integer.)

a =	2
b =	3
∠A =	4 °

 

Answer 1

Step 1:

The angles of the triangle are and .

The one side of the triangle is .

The sum of three angles in a triangle is .

.

The third angle is .

Step 2:

Law of sines : .

Consider .

Substitute , and .

The one side of the triangle is .

Step 3:

Consider .

Substitute , and .

The one side of the triangle is .

Solution:

, and .