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Section 3.2: Proof and Perpendicular Lines

Section 3.2: Proof and Perpendicular Lines. Goals . Write different types of proofs Prove results about perpendicular lines. Proving Results about Perpendicular Lines . Theorem 3.1 If 2 lines intersect to form a linear pair of congruent angles, then the lines are perpendicular. Theorem 3.1

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Section 3.2: Proof and Perpendicular Lines

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  1. Section 3.2: Proof and Perpendicular Lines Geometry

  2. Goals • Write different types of proofs • Prove results about perpendicular lines Geometry

  3. Proving Results about Perpendicular Lines • Theorem 3.1 • If 2 lines intersect to form a linear pair of congruent angles, then the lines are perpendicular • Theorem 3.1 • If 2 lines intersect to form a linear pair of congruent angles, then the lines are perpendicular g g h h g  h g  h Geometry

  4. Theorem 3.2 • If 2 sides of 2 adjacent acute angles are perpendicular, then the angles are complementary Geometry

  5. Theorem 3.3 • If 2 lines are perpendicular, then they intersect to form four right angles Geometry

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