Question: In triangle ABC, the measure of angle A is 60 degrees. The angle bisector of angle A intersects side BC at point D. If the measure of angle DAC is 30 degrees, what is the measure of angle B?
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Question: How many sides does a regular hexagon have?
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What is the equation of an ellipse with foci at (-3,0) and (3,0), and major axis length of 8?