A=-1,1 B=3,7. C=8,10. Show that collines
Answers
Answered by
1
by disatance formula
√(x2- x1)square - (y2-y1) square
d(A,B)
in first x1 is -1
x2 is 3
y1 is 1
y2 is 7
√( 3-(-1)) square-(7-1)square
√(4)square -(6) square
√ 16-36
√ 20
√4×5
2√5
solve d(B,C) like this both ans are same so the points are collinear
√(x2- x1)square - (y2-y1) square
d(A,B)
in first x1 is -1
x2 is 3
y1 is 1
y2 is 7
√( 3-(-1)) square-(7-1)square
√(4)square -(6) square
√ 16-36
√ 20
√4×5
2√5
solve d(B,C) like this both ans are same so the points are collinear
Similar questions