Posted by debbie on Tuesday, January 17, 2012 at 11:37am.
Simplest way, just count on the grid ...
you have 3 points, and you know that opposite sides must be parallel and equal
A quick calculation shows that each of the given sides is √65 , so far so good.
For the line from (1,0) to (0,-8) we went one to the left, then 8 down
so from (8,-4) go 1 left, then 8 down to get
(7, -11)
(check by taking the lengths of the new lines, I did,
they were both √65)
/:-) /xcfrff
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