The Angle-Angle (AA) Similarity Criterion

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State and explain the AA criterion: if two angles of one triangle are congruent to two angles of another, the triangles are similar.

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7 lessons

Goal

Define similarity through dilations, identify properties of similar figures, and use the AA criterion to verify similar triangles.

7 lessons

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apply the Angle-Angle criterion to verify similar triangles and apply the proportionality of the corresponding sides to solve problems.

create and use representations to organize, record, and communicate mathematical ideas;