Posted by Ann on Thursday, May 17, 2012 at 7:59pm.
Help! I have to graph my answer to this problem: ADFG has vertices D (–2, 4), F (–3,1), and G (–1, 2). Find the vertices of the image after the rotation of 180° about the origin.

AlgebraB  Reiny, Thursday, May 17, 2012 at 8:25pm
after a 180° rotation
(x,y) > (x,y)
so
D(2,4) > D'(2,4)
same for the other points,
it is really that easy.
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