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How many straight lines can be formed from 8 non-collinear points on the X-Y plane?
  • a)
    28
  • b)
    56
  • c)
    18
  • d)
    19860
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
How many straight lines can be formed from 8 non-collinear points on ...
To draw a line we have to choose two points So, BC2 as 28 ways
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Most Upvoted Answer
How many straight lines can be formed from 8 non-collinear points on ...
The number of straight lines that can be formed from a set of points on the XY plane can be calculated using the formula:

nC2 + n = (n * (n-1))/2 + n

where n represents the number of points.

In this case, we have 8 non-collinear points, so we can substitute n = 8 into the formula:

(8 * (8-1))/2 + 8 = 28

Therefore, the correct answer is option A) 28.

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How many straight lines can be formed from 8 non-collinear points on the X-Y plane?a)28b)56c)18d)19860Correct answer is option 'A'. Can you explain this answer?
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