Seven points are marked on the circumference of a circle. How many different chords can be drawn by connecting two of these seven points?
Question:
Seven points are marked on the circumference of a circle. How many different chords can be drawn by connecting two of these seven points?
Answer:
Let's think step by step.

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Seven points are marked on the circumference of a circle. How many different chords can be drawn by connecting two of these seven points?
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