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Sketching Intersections

Sketching Intersections

Description:
  1.  

    Demonstrate how to sketch the intersection of lines, planes, a line intersecting a plane at a point, a line parallel to a plane…

  2.  

    Represent the postulate that two lines intersect at a point with sketches.

  3.  

    Represent the postulate that the intersection of two planes is a line with sketches.

  4.  

    Demonstrate how to construct a line perpendicular to a line at a given point.

  5.  

    Demonstrate how to construct a line perpendicular from a given point to a line.

 

This packet should help a learner seeking to understand the intersections of lines and planes through sketches.

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Tutorial

Intersections

This video explains how to sketch the intersection of lines, and planes, how to sketch lines parallel to planes, and how to sketch the intersection of a line and a plane.

Intersecting Lines

This video explains what intersecting lines are, shows how they intersect at a point, and presents several theorems regarding the angles created by the intersecting lines.

Source: Craig Coletta on Guaranteach

Intersecting Planes

This video explains why the intersection of two planes is a line.

Constructing Perpendicular Lines

This video explains how to construct a line perpendicular to a line at a given point and how to construct a line perpendicular from a given point to a line, using a compass and straightedge.

Source: MrJsoLive on Youtube