Objective: To apply the Law of Sines

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Presentation transcript:

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.

Find h using angle B. Find k using angle A. Find h using angle C. 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), A A h b b c c k C C B a B a

p. 525: 1-12 Find the measure of acute angle B in ΔABC Find the length of AC in ΔABC, to the nearest cm Find the measure of acute angle B in ΔABC A A b 350 cm 290 250 cm 690 380 C B C 350 cm B p. 525: 1-12