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lines

lines. and angles. Given: ACB = 20 ° DEF = 130 ° Find: CDE = __________. D. F. A. E. C. B. Given: ACB = 20 ° DEF = 130 ° Find: CDE = __________. D. F. A. 20 °. E. C. 20 °. B. vertical (opposite) angles have the same measure. Given: ACB = 20 ° DEF = 130 °

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lines

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  1. lines and angles

  2. Given: ACB = 20° DEF = 130° Find: CDE = __________ D F A E C B

  3. Given: ACB = 20° DEF = 130° Find: CDE = __________ D F A 20° E C 20° B vertical (opposite) angles have the same measure

  4. Given: ACB = 20° DEF = 130° Find: CDE = __________ D F 130° A 20° E C B

  5. Given: ACB = 20° DEF = 130° Find: CDE = __________ D F 130° 50° A 20° E C B supplementary angles have measures whose sum is 180°

  6. Given: ACB = 20° DEF = 130° Find: CDE = _110°______ D F 50° A 20° E C B the sum of the measures of the angles of a triangle is 180°

  7. A C B D F E G I H

  8. A C B D F E G I H

  9. A C B 150° D F 150° E G 150° I H

  10. A C 140°  B 150° D F 150° E G 150° I H

  11. A C 140° 110° 40° B 110 30° 150° D F E G I H

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