2-5

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2-5

  1. 1. 2­5 Perpendicular Lines 1
  2. 2. 2
  3. 3. Perpendicular Lines  Two lines that intersect to form right angles. We can conclude that: If two lines are perpendicular then  each angle is a right angle. If one of the angles is a right angle then  the lines are perpendicular 3
  4. 4. Theorems that go along with perpendicular lines: If two lines are perpendicular,  then they form congruent adjacent angles If two lines form congruent adjacent angles, then the lines are perpendicular. If the exterior sides of two adjacent acute angles  are perpendicular, then the angles are complimentary 4
  5. 5. SPICSA Page 58 2 ­ 16 even 5
  6. 6. 6

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