Plz answer both questions and I will give you the brainliest so no files or alien talk please. I will give brainliest for the right answer

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Answer:
8) a. chord
9) b. radius
Step-by-step explanation:
8) Of the items listed, only a chord and a diameter are segments. A diameter is a chord, so of the two appropriate choices, we prefer the more general answer "chord" .
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9) Of the segments listed, only the radius has one end point at the center of the circle.