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Three noncollinear points determine a triangle. How many triangles can be formed with 8 points, no three of which are collinear?
A. 56

B. 24

C. 336

D. 6720

Respuesta :

Correct answer is A.

[tex]C^8_3= \frac{8\times7\times6}{3\times2\times1}=56 [/tex]

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