Pre-Calculus, 9th edition
25

 PAGE: 525 SET: Exercises PROBLEM: 25
Please look in your text book for this problem Statement

The sides of a triangle are  and .

The angle of triangle .

Solve the triangle by using the Law of Sines.

The Law of Sines: .

Consider .

Substitute ,  and  in .

The angle .

For both the choices of , .

Therefore, only one choice  is satisfies.

There exist one triangles with these measurements.

The sum of three angles in a triangle,

Find other side by using Law of Sines.

Consider .

Substitute ,  and  in .

One triangle.

, and

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