HW Solutions 11. JCD and EAB 13. CL, JE, FA, GB 21. Corresponding, Corresponding, Alternate Interior...
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Transcript of HW Solutions 11. JCD and EAB 13. CL, JE, FA, GB 21. Corresponding, Corresponding, Alternate Interior...
![Page 1: HW Solutions 11. JCD and EAB 13. CL, JE, FA, GB 21. Corresponding, Corresponding, Alternate Interior Angles, 22. Corresponding, Same-side Interior, Corresponding.](https://reader035.fdocuments.net/reader035/viewer/2022062222/5697c0211a28abf838cd2ae7/html5/thumbnails/1.jpg)
HW Solutions
• 11. JCD and EAB• 13. CL, JE, FA, GB• 21. Corresponding, Corresponding, Alternate Interior Angles, • 22. Corresponding, Same-side Interior, Corresponding• 23. Same-side interior, Corresponding, Alternate Interior***• 25. 2 A.I.A• 26. 4 Corresponding Angles• 27. 2 A.E.A• 28. 4 Vertical Angles
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Properties of Parallel Lines
We will learn about the corresponding angles postulate to
help us prove other theorems
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Corresponding Angles Postulate
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Now we can prove other theorems
• Let’s prove alternate interior angles are congruent.
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Start off by drawing a transversal line intersecting two other line.
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Same-Side Interior Angles Theorem.
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Let’s figure out why same-side interior angles theorem is true.
• Prove <4+<5=180
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• Given line a and b are parallel• Prove <1 and <8 are Supplementary
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Alternate Exterior Angles
With out doing a statement reason proof, talk to your group and describe how you might prove this true. It should only be a couple of steps and use angle 5 to help you out with this.
5
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Look at the lasers
• If <1 = 4x+15 and <3 = 2x + 45. Solve for <1
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Bonus Problem
• Solve for x and y. • Don’t do a proof
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Homework
• Page 152 # 1-4, 9, 10, 22, 15, 16, 17, 26
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Test Averages
• Averages if you did the review, 66.9 or an 85%• Overall average of the class was about a 61.9
or an 79%
• People who did the review also got a extra 5 points. 71.9 or an 92%