there are n points in a plane no three of which are in same straight line with the exception of P which are all in the same straight line find the number of triangle which result from joining them
Janhavi , 6 Years ago
Grade 11
1 Answers
kkbisht
Last Activity: 6 Years ago
Total no . of triangles formed from n points in the plainout of which p points in a straight line = nC3 - pC3
kkbisht
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