Hinge Theorem and Its Converse

Author:Samantha Garcia

In the figure below, AE = BF and AC = BD. Move points E, C, F, and D to change the size of angles A and B. What do you notice about the lengths of EC and FD and their opposite angles?

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Untitled
Pythagorean theorem illustration 2
רישום חופשי
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x and f(x)

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