Question

There are 10 points in a circle how many triangles can be formed

Answer 1

hey,,
$there \: are \: 10 \: points \: on \: a \: circle \: \\ we \: need \: three \: points \: to \: form \: a \: triangle \\ number \: of \: triangle. ^1^0C3 \\ \frac{10 \times 9 \times 8}{3 \times 2 \times 1} \\ \frac{720}{6} \\ 120 \\ 120 \: triangles \: can \: be \: drawn.....$

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