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Download Lesson 15: The AA Criterion for Similar Triangles Date:
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Transcript
Date: Lesson 15: The AA Criterion for Similar Triangles We know that similar figures have equal corresponding angle measures. We also know if two angles in one triangle are equal in measure to two corresponding angles in another triangle, then it must be the case that the third corresponding angles in each triangle must also be of equal measure. 1 In Exercises 1–4, practice using the AA criterion to determine if two triangles are similar and then determine unknown side lengths and/or angle measures of the triangles. 1. Are the triangles shown below similar? Explain. If the triangles are similar, identify any missing angle and side length measures. 2. Are the triangles shown below similar? Explain. If the triangles are similar, identify any missing angle and side length measures 2 3 Geometry L.15 AA Similarity HW 4 5
