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12-83.

In a circle, chord AB has length 10 units, while m = 60°. What is the area of the circle? Draw a diagram and show all work. Homework Help ✎

Create a midpoint for the AB called D.

Triangle ACD is a 30°-60°-90° triangle. With this knowledge, you can find the radius to find the area.

Consider the center of the circle as point C. Connect D, C, and A.

r = 10 units