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7.3 Showing Triangles are Similar: AA~

7.3 Showing Triangles are Similar: AA~. Textbook pg 372. If m <A = m <X and m <B = m <Y, then ABC ~ XYZ. AA Similarity Postulate. AA~ If two angles of one triangle are congruent to two corresponding angles of another triangle, then the two triangles are similar. A. X. Y. Z.

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7.3 Showing Triangles are Similar: AA~

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  1. 7.3 Showing Triangles are Similar: AA~ Textbook pg 372

  2. If m<A = m<X and m<B = m<Y, then ABC ~ XYZ AA Similarity Postulate • AA~ • If two angles of one triangle are congruent to two corresponding angles of another triangle, then the two triangles are similar A X Y Z B C

  3. Examples on pg 373-374 • 1) yes, • RST ~ MNL • 2) yes, • GLH ~ GKJ • 3) ABC ~ DEF, • 9 • 4) ABD ~ EBC, • 3

  4. Homework • Assignment # 5 • Pg 375 • prob 1-29, 39-49

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