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Lesson 3-3

Lesson 3-3. The Angle Addition Postulate. Ohio Content Standards:. Ohio Content Standards:. Estimate and compute various attributes, including length, angle measure, area, surface area and volume, to a specified level of precision. Ohio Content Standards:. Formally define geometric figures.

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Lesson 3-3

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  1. Lesson 3-3 The Angle Addition Postulate

  2. Ohio Content Standards:

  3. Ohio Content Standards: Estimate and compute various attributes, including length, angle measure, area, surface area and volume, to a specified level of precision.

  4. Ohio Content Standards: Formally define geometric figures.

  5. Ohio Content Standards: Formally define and explain key aspects of geometric figures.

  6. Postulate 3-3Angle Addition Postulate(A-A Postulate)

  7. Postulate 3-3Angle Addition Postulate(A-A Postulate) For any angle PQR, if A is in the interior of PQR, then mPQA + mAQR = m PQR.

  8. If mKNL = 110 and mLNM = 25, find mKNM. L 25° M K 110° N

  9. Find m2 if m 1 = 75 and mABC = 140. D C A 1 2 B

  10. Find mJKL and m LKM if m JKM = 140. L (2x – 10)° M J 4x° K

  11. Angle Bisector

  12. Angle Bisector Separates the angle into two angles of equal measure.

  13. If FD bisects CFE and m CFE = 70, find m 1 and m 2. C D 1 2 F E

  14. HomeworkPgs. 108-109 12-22 evens, 27-29 all

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