Coordinates Flashcards
1
Q
Distance formula?
A
sq rt [(x2 - x1)^2 + (y2 - y1)^2]
2
Q
Mid point formula?
A
x1 + x2 / 2; y1 + y2 / 2
3
Q
Section formula?
A
[mx2 + nx1/m + n] ; [my2 + ny1/m + n]
4
Q
Area of a Triangles?
A
1/2 [x1 (y2-y3) + x2 (y3-y1) + x3 (y1-y2)]