# Math

Please illustrate how to rotate triangle A(2,0), B(7,0),C(7,2) 90 degrees.

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1. About what point? Clockwise or counterclockwise?

Plot the first points on a graph and you will see many possibilities. The fact that this is a right triangle aligned with axis makes it simple. One possibility would be (7,0), (9,0) and (7,5) (For clockwise rotation about point B).

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posted by drwls

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