Geometry

posted by Crystal

To the nearest tenth, find the perimeter of ΔABC with vertices A(2,4), B(-2,1) and C(2,1). Show your work.

  1. Steve

    This is easy, since it's a right triangle. In fact, if you plot the points, you can easily see that it is a 3-4-5 triangle.

    So, the perimeter is ...

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