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5-Minute Check 1

Justify the statement with a property of equality or a property of congruence. A. Transitive Property B. Symmetric Property C. Reflexive Property D. Segment Addition Postulate. 5-Minute Check 1. Justify the statement with a property of equality or a property of congruence.

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5-Minute Check 1

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  1. Justify the statement with a property of equality or a property of congruence. A. Transitive Property B. Symmetric Property C. Reflexive Property D. Segment Addition Postulate 5-Minute Check 1

  2. Justify the statement with a property of equality or a property of congruence. A. Transitive Property B. Symmetric Property C. Reflexive Property D. Segment Addition Postulate 5-Minute Check 2

  3. Justify the statement with a property of equality or a property of congruence.If H is between G and I, then GH + HI = GI. A. Transitive Property B. Symmetric Property C. Reflexive Property D. Segment Addition Postulate 5-Minute Check 3

  4. State a conclusion that can be drawn from the statement given using the property indicated.W is between X and Z; Segment Addition Postulate. A.WX > WZ B.XW + WZ = XZ C.XW + XZ = WZ D.WZ – XZ = XW 5-Minute Check 4

  5. State a conclusion that can be drawn from the statements given using the property indicated. ___ ___ LMNO A. B. C. D. 5-Minute Check 5

  6. ___ Given B is the midpoint of AC, which of the following is true? A.AB + BC = AC B.AB + AC = BC C.AB = 2AC D.BC = 2AB 5-Minute Check 6

  7. Concept

  8. Use the Angle Addition Postulate CONSTRUCTIONUsing a protractor, a construction worker measures that the angle a beam makes with a ceiling is 42°. What is the measure of the angle the beam makes with the wall? Example 1

  9. Find m1 if m2 = 58 and mJKL = 162. A. 32 B. 94 C. 104 D. 116 Example 1

  10. Concept

  11. Use Supplement or Complement TIMEAt 4 o’clock, the angle between the hour and minute hands of a clock is 120º. When the second hand bisects the angle between the hour and minute hands, what are the measures of the angles between the minute and second hands and between the second and hour hands? Example 2

  12. QUILTINGThe diagram shows one square for a particular quilt pattern. If mBAC = mDAE = 20, and BAE is a right angle, find mCAD. A. 20 B. 30 C. 40 D. 50 Example 2

  13. Concept

  14. Concept

  15. Concept

  16. Given: Prove: Proofs Using Congruent Comp. or Suppl. Theorems Example 3

  17. In the figure, NYR andRYA form a linear pair,AXY and AXZ form a linear pair, and RYA andAXZ are congruent. Prove that NYR and AXY are congruent. Example 3

  18. Concept

  19. Proof: Statements Reasons Use Vertical Angles If 1 and 2 are vertical angles and m1 = d – 32 and m2 = 175 – 2d, find m1 and m2. Justify each step. Example 4

  20. A. B. C. D. Example 4

  21. Concept

  22. Assignment: • 156/ 1-17, 28. 29. 36-53

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