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Parallel Lines and Transversals Angles and Parallel Lines.

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Presentation on theme: "Parallel Lines and Transversals Angles and Parallel Lines."— Presentation transcript:

1 Parallel Lines and Transversals Angles and Parallel Lines

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3 Identify Parallel and Skew Relationships A. Name all segments parallel to BC.

4 Identify Parallel and Skew Relationships B. Name a segment skew to EH.

5 C. Name a plane parallel to plane ABG. Identify Parallel and Skew Relationships

6 A.plane WTZ B.plane SYZ C.plane WXY D.plane QRX A.Name a plane that is parallel to plane RST.

7 B.Name a segment that intersects YZ. A.XY B.WX C.QW D.RS

8 C.Name a segment that is parallel to RX. A.ZW B.TZ C.QR D.ST

9 Corresponding angles: Alternate Interior Angles: Alternate Exterior Angles: Consecutive Interior Angles:

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12 Use Corresponding Angles Postulate A. In the figure, m 11 = 51. Find m 15. Tell which postulates (or theorems) you used.

13 Use Corresponding Angles Postulate B. In the figure, m 11 = 51. Find m 16. Tell which postulates (or theorems) you used.

14 Use Theorems about Parallel Lines FLOOR TILES The diagram represents the floor tiles in Sophias house. If m 2 = 125, find m 3.

15 A.42 B.84 C.48 D.138 A. In the figure, a || b and m 18 = 42. Find m 22.

16 A.42 B.84 C.48 D.138 B. In the figure, a || b and m 18 = 42. Find m 25.

17 A.25 B.55 C.70 D.125 FLOOR TILES The diagram represents the floor tiles in Silvios house. If m 2 = 125, find m 4.

18 B. ALGEBRA If m 4 = 4(y – 25), and m 8 = 4y, find y. Find Values of Variables Answer: y = 35

19 A. ALGEBRA If m 1 = 9x + 6, m 2 = 2(5x – 3), and m 3 = 5y + 14, find x. A.x = 9 B.x = 12 C.x = 10 D.x = 14

20 B. ALGEBRA If m 1 = 9x + 6, m 2 = 2(5x – 3), and m 3 = 5y + 14, find y. A.y = 14 B.y = 20 C.y = 16 D.y = 24

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