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I-Geometry 6 weeks Test Prize Show

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A pat on the back Nothing Applause 3 pts EC on test!! Cookies! Candy High Five Three Cheers! Good Luck! Applause A big smile Donut holes!!

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A pat on the back Nothing Applause 3 pts EC on test!! Cookies! Candy High Five Three Cheers! Good Luck! Applause A big smile Donut holes!! 3. 2. 4. 7. 10. 5. 8. 11. 6. 9. 12. 1.

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1. OE bisects VOL Write all possible true equations from the diagram. 5x + 4 L O V E 7x – 14 10x + 8 I.5x + 4 = 7x – 14 II.5x + 4 + 7x – 14 = 10x + 8 III. 2(5x + 4) = 10x + 8 IV. 2(7x – 14) = 10x + 8 What if OE were NOT a bisector? Only # 2!!

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R Y L I E M Y is the midpoint of RL YI bisects LYE 2. How do you know: a) Y is the midpoint of RL. a) Given. b) RY + YL = RL. b) Segment addition post. c) MYR + RYE = MYE c) Angle addition post. d) LYI IYE d) Def bisect

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3. Five times an angles supplement is 30 less than the angle. Find the measure of the angles supplement. 5(180 – x) = x – 30 900 – 5x = x – 30 930 = 6x 155 = x Supplement = 180 – 155 = 25

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11x - 6 8x + 34 x + 25 4. Write all possible true equations from the diagram. I.x + 25 + 11x – 6 = 180 II.11x – 6 = 8x + 34 III. 8x + 34 + x + 25 = 180

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U 5. O S T H W 1 2 3 a) 2 3 a) Vertical Angle Thm How do you know that: b) TO + OW = TW b) Segment Addition Postulate c) 1 + 2 = HOW c) Angle Addition Postulate d) SO + OU = SU d) Segment Addition Postulate

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6. Find the perimeter of the parallelogram 3x + 20= 5x 20 = 2x 10 = x x + 8 x (5x)˚ (3x + 20)˚ = 10 + 8 = 18 = 10 P = 10 + 18 + 10 + 18 = 56

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7. Twice an angle is 6 more than its supplement. Find the measure of the angles complement. 2x = 6 + 180 – x 3x = 186 x = 62 complement = 28˚

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8. x + 3 P = 24 + 15 + 24 + 15 = 78 3x – 12 Find the perimeter of the parallelogram 3x – 12 = 2x x = 12 2x = 2(12) = 24 = 12 + 3 = 15

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How do you know that: 9. a) RY + YL = RL a) Segment Addition Postulat e b) RY YL b) Definition of Midpoint c) RYM IYL c) Vertical angle thm d) RYI + IYL = RYL d) Angle Addition Postulate e) RYI + IYL = 180 e) Definition of Linear Pair f) EYI IYL f) Definition of bisect R Y L I E M Y is the midpoint of RL YI bisects LYE

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(5x + 3)˚ (6x – 4)˚ 10. Write all possible true equations from the parallelogram. (8x – 12)˚ I.6x – 4 + 8x – 12 = 180 II.6x – 4 + 5x + 3 = 180 III. 8x – 12 = 5x + 3

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10x + 8 3x + 2 11. Write all possible true equations from the parallelogram. I.8x + 16 = 10x + 8 II.Nope! Thats it 8x + 16

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1 2 3 4 5 6 7 8 List all pairs of: a) Alt int a) 7 & 3; 2 & 6 b) SSE b) 8 & 5; 1 & 4 c) Alt ext c) 8 & 4; 1 & 5 How do you know that: d) 7 3 d) // lines alt int s e) 7 supp 6 e) // lines SSI s supp f) 8 6 f) // lines corr s

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