. Grade 8, Illustrative icon

Similar Triangles II

Illustrative MathematicsVaries

The goal of the task is to provide an informal argument for the AA criterion for triangle similarity, appropriate for an 8th grade audience. The solution provided indicates the level of rigor expected in the argument for part (a). A more formal argument detailing which reflections, rotations, and translations are needed to superimpose on is appropriate for a high school task about the AA criterion.

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