College Algebra & Trigonometry, 2018a

11.1. THE LAW OF SINES 477
Exercises 11.1
In each problem below, solve the triangle. Round side lengths to the nearest 100 th .
a 125 ◦ 10
30 ◦
1.
c A
2.
a
32 ◦ c
100 ◦ C
6
C
98 ◦ 1000
a
3.
A
25 ◦
c 4.
52 ◦ 70 ◦
26.7
5.
C
b
185
102 ◦ 28 ◦
c 6.
37.5 ◦ c
A
40 ◦
17
7. ∠A =50 ◦ , ∠C =27 ◦ , a =3 8. ∠B =70 ◦ , ∠C =10 ◦ , b =5
9. ∠A = 110 ◦ , ∠C =30 ◦ , c =3 10. ∠A =50 ◦ , ∠B =68 ◦ , a = 230
11. ∠A =23 ◦ , ∠B = 110 ◦ , c =50 12. ∠A =22 ◦ , ∠B =95 ◦ , a = 420
13. ∠B =10 ◦ , ∠C = 100 ◦ , c =11 14. ∠A =30 ◦ , ∠C =65 ◦ , b =10
15. ∠A =82 ◦ , ∠B =65.4 ◦ , b =36.5 16. ∠B =28 ◦ , ∠C =78 ◦ , c =44
17. ∠A =42 ◦ , ∠B =61 ◦ , a =12 18. ∠A =42.5 ◦ , ∠B =71.4 ◦ , a = 215