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Pre Algebra

Pre Algebra. Section 9-2 Transversals. Alternate Interior Angles (AIA). 2 angles that are in the interior, On opposite sides of the transversal, At different Intersections. 1. 2. 3. 4. 5. 6. 7. 8. Alternate Interior Angles (AIA). 2 angles that are in the interior,

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Pre Algebra

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  1. Pre Algebra Section 9-2 Transversals

  2. Alternate Interior Angles (AIA) 2 angles that are in the interior, On opposite sides of the transversal, At different Intersections 1 2 3 4 5 6 7 8

  3. Alternate Interior Angles (AIA) 2 angles that are in the interior, On opposite sides of the transversal, At different Intersections 1 2 3 4 5 6 7 8 Alternate Exterior Angles (AEA) 2 angles that are in the exterior, On opposite sides of the transversal, At different Intersections

  4. Alternate Interior Angles (AIA) 2 angles that are in the interior, On opposite sides of the transversal, At different Intersections 1 2 3 4 5 6 7 8 Corresponding Angles Alternate Exterior Angles (AEA) 2 angles that are in the exterior, On opposite sides of the transversal, At different Intersections 2 angles at the same place At different intersections

  5. Special Properties • AIA are congruent if and only if the lines are parallel • AEA are congruent if and only if the lines are parallel • Corresponding Angles are congruent if and only if the lines are parallel

  6. Name all pairs of AIAs Name all pairs of Corresponding Angles Name all pairs of AEAs 6 7 5 4 8 2 1 3

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