1. Warm-up:
Find the measure of angle A given:
a = 15, b = 14, c = 10
CW: Quiz Review Law of Cos/Sin

2. HW Answers: (1 – 10, 13 – 14, 17 – 22)
1. A = B = C =
A = B = C = 99.60
B = C = a = 18.6
A = B = c = 12
A = B = C = 900
C = A = B =
A = B = C =
A = B = C = 61.50
a = B = C = 47.30
a = B = C =
13.A = 27010’ B = 27010’ c = 56.9
c = A = B = 7.60
a b c d  
 111.8
 75.5
 111.3
21. N 39 E, S 64.7 E
miles, S 56 W

3. Sneedlegrit:
Solve the triangle.
mB = 74, a = 13, c = 9
CW: Quiz Review Law of Cos/Sin