A pair of sunglasses is on sale for $17. Last week, the sunglasses were marked at a regular price of $20. What was the percent o
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We'll have an attached picture (Ignore the labeling). We can easily observe that DF (in the picture BC), cannot be equal to the radius. Then, we cannot also claim that RD=RF. And since we are talking about the tangent segment, we'll have a right triangle. The correct answer is C)
