year 11 revison help!co-ordinate geomerty (1 Viewer)

[marann]

co-ordinate geomerty =

Kite = A(2,5) B(1,0) C(-7,-4) D(-3,4)

Show CE = 2AE where E is the point of intersection of the diagonals?

HELP!

thank you

 

[Timothy.Siu]

well, u can draw it if u want
but by looking at the question u can tell that the point C is point far away from the other points on the kite
and midpoint of BD should be the intersection of the diagonals.

so u find that point which is (-1, 2)
then u use distance formulas for this to show that CE=2AE

i think.