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1. Notes - Congruent Triangles

If you please Mr. Scrooge, it's gotten colder, and the bookkeeping staff would like an extra shovel full of coal for the fire? Rat #1 : We can't do the bookkeeping, all our pens have turned to inkcicles! Rat #2 : Our assets are frozen!

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1. Notes - Congruent Triangles

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  1. If you please Mr. Scrooge, it's gotten colder, and the bookkeeping staff would like an extra shovel full of coal for the fire? Rat #1: We can't do the bookkeeping, all our pens have turned to inkcicles! Rat #2: Our assets are frozen! Ebenezer Scrooge: How would the bookkeeping staff like to be suddenly... UNEMPLOYED? Rats: [singing] HEAT WAVE. This is my island in the sun...

  2. 1. Notes - Congruent Triangles To prove two triangles are congruent using the definition, three pairs of sides must be congruent as well as three pairs of angles. LAME

  3. 1. Notes - Congruent Triangles Is this a guarantee?

  4. 7. Notes - Congruent Triangles Is this a guarantee?

  5. 7. Notes - Congruent Triangles Is this a guarantee?

  6. 7. Notes - Congruent Triangles Is this a guarantee?

  7. 7. Notes - Congruent Triangles Is this a guarantee?

  8. 7. Notes - Congruent Triangles Is this a guarantee?

  9. 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA SAS SSA ASA SAA

  10. 25° 65° 90° 7. Notes - Congruent Triangles Is this a guarantee?

  11. 65° 90° 25° 7. Notes - Congruent Triangles Is this a guarantee? 65° 90° 25°

  12. 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA SAS SSA ASA SAA

  13. 25° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA SAS SSA ASA SAA

  14. 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS 25° SSA ASA SAA

  15. ABC DEF 7. Notes - Congruent Triangles Is this a guarantee? D A √ SSS E AAA 92° √ SAS 92° SSA B C ASA SAA F

  16. 65° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS SSA ASA SAA

  17. 65° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS SSA ASA SAA

  18. 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA 65° √ SAS SSA ASA SAA

  19. 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA 65° √ SAS SSA ASA SAA

  20. 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA 65° √ SAS SSA ASA SAA

  21. A ABC DEF B C 7. Notes - Congruent Triangles Is this a guarantee? E √ SSS AAA √ SAS SSA ASA F D SAA

  22. 25° 90° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS SSA ASA SAA

  23. 25° 90° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS SSA √ ASA SAA

  24. ABC B DEF 55° A 65° C 7. Notes - Congruent Triangles Is this a guarantee? E √ SSS AAA √ SAS 65° SSA F 55° √ ASA D SAA

  25. 35° 90° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS SSA √ ASA SAA

  26. 35° 35° 35° 90° 7. Notes - Congruent Triangles Is this a guarantee? √ SSS AAA √ SAS SSA √ ASA √ SAA

  27. √ SAS √ SSS √ ASA √ SAA 7. Notes - Congruent Triangles Is this a guarantee? AAA AAA SSA

  28. 7. Notes - Congruent Triangles FRS PQD R P 120° Q F 120° 35° D 35° S ASA

  29. 7. Notes - Congruent Triangles FRS QSR R Q 42° 42° F S SSA

  30. 7. Notes - Congruent Triangles FRS QSR R 50° Q F 50° S SAS

  31. 7. Notes - Congruent Triangles MNR PTB B R N P T M SSS

  32. Given: BC BF, CD FD Prove: Δ BCD Δ BFD BC BF, CD FD BD BD Reflexive Prop of Δ BCD Δ BFD C Reasons Statements B D F 7. Notes - Congruent Triangles Given SSS

  33. LEGIT FAKE OR LEGIT?

  34. FAKE OR LEGIT?

  35. LEGIT FAKE OR LEGIT?

  36. FAKE FAKE OR LEGIT?

  37. FAKE OR LEGIT?

  38. 5. Classwork • Congruence Worksheet - 14.4A • pg. 230 #8-12, 35-38; • pg 238 #8-12; 32-37

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