SOLUTION: Question 34 options: In ∆KLM, ∠K=39∘, l= 10 cm, m= 25 cm. Find the following: ∠M= k= ∠L=

Algebra ->  Trigonometry-basics -> SOLUTION: Question 34 options: In ∆KLM, ∠K=39∘, l= 10 cm, m= 25 cm. Find the following: ∠M= k= ∠L=       Log On


   

Question 1158919: Question 34 options:
In ∆KLM, ∠K=39∘, l= 10 cm, m= 25 cm. Find the following:

∠M=
k=
∠L=
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Draw and label the triangle.

10%5E2%2B25%5E2-2%2A10%2A25cos%2839%29=k%5E2, based on Law Of Cosines. Solve for k. Then use Law Of Sines to find either angle at M or L.