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Objective

Objective. 10/29 Lesson 3.2. 2. 1. What is the name of the angle pair, angles 1 and 2 ?. What if the lines are parallel?. 2. 1. Handbook page 15. Watch it!. Find m  QRS. Write it!. Example 1). 4. 3. m. 8. 1. 7. 2. n. 5. 6.

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Objective

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  1. Objective

  2. 10/29 Lesson 3.2 2 1 What is the name of the angle pair, angles 1 and 2?

  3. What if the lines are parallel? 2 1

  4. Handbook page 15

  5. Watch it! Find mQRS.

  6. Write it! Example 1) 4 3 m 8 1 7 2 n 5 6 If m<8 = 61˚, find the measures of all other numbered angles.

  7. Write it! Example 2) 4 3 m 8 1 7 2 n 5 6 Alternate Interior angles are ____________. Alternate exterior angles are ____________. Same-side interior angles are ____________.

  8. Watch it! Find each angle measure. A. mDCE B. mCBG

  9. Work it! Example 3) Given m3 = 3x-1 and m5 = x+5. Find m1.

  10. Work it! Example 4) Given m3 = 2(x-35) and m4 = x+15. Find m5.

  11. Objective

  12. Exit Slip! Let m1 = 120°, m2 = (60x)° . a. Give the name of the angle pair that describes <1 and <2. b. Write and solve an equation to find the measures of the angles. c. Name the theorem or postulate that justifies your solution. Find m3 and m5 if m3 = (45x + 30)° and m5 = (25x + 10)° .

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