Math Question: In a triangle ABC, where β A = 40Β°, a = 8, and b = 12, find β C using the Sine Law.
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If triangle ABC is congruent to triangle DEF, and angle B = angle E, what sign of equality expresses the congruence of the corresponding sides?
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What is the resultant displacement when a vector of magnitude 20 and at an angle of 30 degrees is added to a vector of magnitude 15 at an angle of 45 degrees?