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Objectives :

Objectives :. Use similarity theorems to prove that two triangles are similar Use similar triangles to solve real-life problems. Side Side Side(SSS) Similarity Theorem. If the corresponding sides of two triangles are proportional, then the triangles are similar. THEN ∆ABC ~ ∆PQR.

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Objectives :

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  1. Objectives: • Use similarity theorems to prove that two triangles are similar • Use similar triangles to solve real-life problems

  2. Side Side Side(SSS) Similarity Theorem • If the corresponding sides of two triangles are proportional, then the triangles are similar. THEN ∆ABC ~ ∆PQR

  3. Side Angle Side Similarity Thm. • If an angle of one triangle is congruent to an angle of a second triangle and the lengths of the sides including these angles are proportional, then the triangles are similar.

  4. Ex 1: Which triangles are similar?

  5. Ex 2: Are the triangles similar? If so, state the theorem/ postulate which justifies the similarity statement. SSS Similarity Theorem

  6. Draw the triangles. Name the postulate/ theorem that proves they are similar. S SAS Similarity Theorem 65° J 18 24 65° 8 6 T U K L

  7. Assignmentpage 492-493#6-24 even

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