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Focus. p. 145-147 #12-36(even). 12. DE, PQ, ST 14. BC, EF, QR 16. ABC, AFW, BCR, CDS, EFW, PQR 18. FA, WP, SR 20. a and b, a and r, b and r 22. a and b, a and r, b and r 24. Corresponding 26. Alternate Interior 28. Alternate Exterior 30. Consecutive Interior
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p. 145-147 #12-36(even) 12. DE, PQ, ST 14. BC, EF, QR 16. ABC, AFW, BCR, CDS, EFW, PQR 18. FA, WP, SR 20. a and b, a and r, b and r 22. a and b, a and r, b and r 24. Corresponding 26. Alternate Interior 28. Alternate Exterior 30. Consecutive Interior 32. Alternate Exterior 34. Consecutive Interior 36. Skew Lines, Explanations will vary
An activity becomes creative when the doer cares about doing it right, or better. – John Updike, writer Angles and Parallel Lines Chapter 3 Section 2 Identify Angle Measures when 2 parallel lines are cut by a Transversal, proofs involving transversals
Remember the Postulate 1 2 3 4 5 6 7 8
Corresponding Angles Postulate 4 5 8 5 m 4 = m 5 4 8 133 = m 5 If m 4 = 133, find m 5 1 2 3 4 5 6 7 8 (Corresponding Angles Postulate) (Vertical Angles Theorum) (Transitive Property) (Def. of Congruent Angles) (Substitution)
Angle Pair Cong. 60 Substitution
Homework p. 152 – 154; #8-22 (even), 25 and 31. (10 problems)