Question

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11. Quadrilateral EFGH has vertices E(1, - 1) , F(3, - 5), (7, - 5) , and H(6,-1).C Graph the figure and its rotated image after a counterclockwise rotation of 90° about the origin . Then give the coordinates of the vertices for quadrilateral E'F'G'H '.

Answer 1

E1,1 F5,3 G5,7 H1,6 bc when rotating 90 a,b becomes -b,a