Math, asked by shadabsids426, 10 months ago

There are 10 points in a plane, out of which 5 are collinear. find the number of straight lines formed by joining them.

Answers

Answered by Payelpati2003

3

Answer:

36

Step-by-step explanation:

number of straight lines = 10c2 - 5c2 + 1 = 45 - 10 + 1 = 36

as 5 points are collinear so they can form only one straight line

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