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Home > A2C > Chapter 12 > Lesson 12.1.4 > Problem 12-75

12-75.

  1. Ten points lie on a circle. Homework Help ✎

    1. How many chords can be drawn using the given points as endpoints?

    2. How many triangles can be drawn using the points as vertices?

10C2 = 45

Use the same method as in part (a).

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