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ACCESS - Similar Triangles

Author:
Accesscd
Look at the triangles below. Are the similar? Are they congruent? Drag points A, B, and C to see how triangles DEF and LMN change. Which angles are congruent between triangles?
Angles A, D, and L are congruent. Angles C, E, and M are congruent. Angles B, F, and N are congruent. Triangles ABC and LNM are congruent. Triangle DFE is similar to both of the other triangles.