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a 'c' program to tell that the set of three coordinates lie
on a same line

Answers were Sorted based on User's Feedback



a 'c' program to tell that the set of three coordinates lie on a same line..

Answer / vamshi krishna

write a code that checks area of triangle formula i.e
x1(y3-y2)+x2(y1-y3)+x3(y2-y1)=0.

if zero points lie on same line

Is This Answer Correct ?    27 Yes 2 No

a 'c' program to tell that the set of three coordinates lie on a same line..

Answer / chetan kole

m1=(y2-y1)/(x2-x1);
m2=(y3-y2)/(x3-x2);
if(m1==m2)
{
printf("3 points are on same line")
}
else
{
printf("not on same line");
}

Is This Answer Correct ?    19 Yes 5 No

a 'c' program to tell that the set of three coordinates lie on a same line..

Answer / chetan kole

m1=(y2-y1)/(x2-x1);
m2=(y3-y2)/(x3-x2);
if(m1==m2)
{
printf("3 points are on same line")
}
else
{
printf("not on same line");
}

Is This Answer Correct ?    10 Yes 5 No

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