AA Similarity Theorem

Topic:Angles, Similar Triangles, Triangles

Feel free to move the locations of the BIG BLACK VERTICES of either triangle before slowly dragging the slider. Pay careful attention to what happens as you do.

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Constructing the Copy of an Angle + Angles Activities
Trophy
Proving Triangles Congruent (2): One Step Transformations
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Enlargements - investigation
r = –1
Infinitesimal Change
Squares on Moire

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Differential Equation
Reflection
Orthocenter
Sine
Cosine