Coordinates Flashcards

1
Q

Distance formula?

A

sq rt [(x2 - x1)^2 + (y2 - y1)^2]

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2
Q

Mid point formula?

A

x1 + x2 / 2; y1 + y2 / 2

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3
Q

Section formula?

A

[mx2 + nx1/m + n] ; [my2 + ny1/m + n]

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4
Q

Area of a Triangles?

A

1/2 [x1 (y2-y3) + x2 (y3-y1) + x3 (y1-y2)]

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