Hw 13 pg 150 7 10 18 23 34 35 37
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Chapter 3 – Parallel and Perpendicular Lines Section 3.1 – Identify Pairs of Lines and Angles PowerPoint PPT Presentation


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HW #13 pg. 150 #7-10, 18-23, 34, 35, 37. Chapter 3 – Parallel and Perpendicular Lines Section 3.1 – Identify Pairs of Lines and Angles . Definitions. Parallel Lines Lines that do not intersect Skew Lines Lines that do not intersect and are not coplanar Parallel Planes

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Chapter 3 – Parallel and Perpendicular Lines Section 3.1 – Identify Pairs of Lines and Angles

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Hw 13 pg 150 7 10 18 23 34 35 37

HW #13 pg. 150

#7-10, 18-23, 34, 35, 37

Chapter 3 – Parallel and Perpendicular LinesSection 3.1 – Identify Pairs of Lines and Angles


Definitions

Definitions

  • Parallel Lines

    • Lines that do not intersect

  • Skew Lines

    • Lines that do not intersect and are not coplanar

  • Parallel Planes

    • Planes that do not intersect


Postulates

Postulates

  • Parallel Postulate

    • If there is a line and a point not on the line, then there is exactly one line through the point parallel to the given line

  • Perpendicular Postulate

    • If there is a line and a point not on that line, then there is exactly one line through that point that is perpendicular to that line.


Definitions1

Definitions

  • Transversal

    • A line that intersects two or more coplanar lines at different points

  • Corresponding Angles

    • Angles with the same position

  • Alternate Interior Angles

    • Angles between the two lines and on opposite sides of the transversal

  • Alternate Exterior Angles

    • Angles outside the two lines and on opposite sides of the transversal

  • Consecutive Angles

    • Angles in between the two lines and on the same side as the transversal


Example

Example

  • Name the angle pairs


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