1. 8-5 The Law of Sines Objective: To apply the Law of Sines Essential Understanding : If you know the measures of two angles and the length of a side(AAS or ASA), or two side lengths and the measure of a nonincluded obtuse angle (SSA), then you can find all the other measures of the triangle.

2. B C A h b a c Find h using angle B. Find h using angle C. B C A k b a c Find k using angle A. Find k using angle C. The Law of Sines For a triangle with angles A, B, and C and sides of lengths a, b and c (a opposite A, b opposite B and c opposite C),

3. Find the length of AC in ΔABC, to the nearest cm B C A 350 cm b 38 0 69 0 B C A 250 cm 29 0 Find the measure of acute angle B in ΔABC 350 cm p.