Kennleemccants7031 Kennleemccants7031
  • 09-01-2024
  • Mathematics
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There are 10 points in a plane, no three of which are in the same straight line excepting 4, which are collinear. Then number of

A. Straight lines formed by joining them is 40
B. Triangles formed by joining them is 116
C. Straight lines formed by joining them is 45
D. Triangle formed by joining them is 120

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