Math Question: In triangle ABC, angle A is bisected by a line segment that intersects BC at point D. If angle A measures 50 degrees, and angle B measures 80 degrees, find the measure of angle BCD.
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What is the value of x in a triangle where the exterior angle measures 120 degrees, one interior angle measures 60 degrees, and another interior angle measures x degrees?
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Question: What is the value of the missing angle in a triangle if the other two angles are 60 degrees and 70 degrees?