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Ch. 4.4 Triangle Congruence by SSS

Do Now: 1. Copy down HW. 2. Quizzes will be returned Wednesday. 3. Ch. 4 is really long, we will have another quiz on Ch. 4.4-4.6 next week. Ch. 4.4 Triangle Congruence by SSS. 1 Card. Side Side Side Postulate (SSS).

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Ch. 4.4 Triangle Congruence by SSS

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  1. Do Now:1. Copy down HW.2. Quizzes will be returned Wednesday.3. Ch. 4 is really long, we will have another quiz on Ch. 4.4-4.6 next week.

  2. Ch. 4.4 Triangle Congruenceby SSS 1 Card

  3. Side Side Side Postulate (SSS) • If 3 sides of one triangle are congruent to the three sides of another triangle, then the two triangles are congruent.

  4. When proving 2 triangles are congruent by SSS: *You need to state that each side in one triangle is congruent to the corresponding side of the other triangle before using the SSS Postulate to prove the two triangles are congruent!

  5. Example 1:Prove Given: M is the midpoint of and

  6. Example 2: Prove:

  7. Example 3: Use the given coordinates to determine if the triangles are congruent. A(-5,0), B(0,0), and C(0,4) D(-3,-2), E(2,-2), and E(2,-6)

  8. Example 3: Use the given coordinates to determine if the triangles are congruent. A(-5,0), B(0,0), and C(0,4) D(-3,-2), E(2,-2), and E(2,-6)

  9. Exit Slip: pg. 232-233#1-4 all

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