How to find s?
Last edited by Thorpelizts; Dec 1st 2012 at 03:54 AM.
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Use the fact that all of the sides are of equal length. You can find this length from the two given points.
ITs impossible...you will have 2 unknowns
Originally Posted by Thorpelizts ITs impossible...you will have 2 unknowns
Of course, it is not impossible if you know what you are doing.
Here is a start.
Let . Then is the midpoint of the diagonal so: solve for .
Now you do some work.
Last edited by Plato; Dec 1st 2012 at 06:41 AM.
A graphical procedure gives a quick solution.
answers R (1,4) S (-11,5)
area rhombus 2*29^1/2*116^1/2
length of rhombus side 145^1/2
equation of PR y=-5/2x + 13/2
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