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Thought-Process to Discover Knowledge

Welcome to nubtrek.

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.continue

In this page, a short and to-the-point overview of constructing a perpendicular through a point on a line is provided.



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Which of the following have sides or edges that are perpendicular? set squares

  • protractor
  • set squares
  • set squares

The answer is "set squares"

Given line `bar(AB)` and a point `P` on the line.perpendicular using set squares Place the vertex of perpendicular edges of a set-square with one edge on the given line `bar(AB)`. Construct the line along the other perpendicular edge of the set-square.

Perpendicular through a point on a line : Use the perpendicular edges of a set square, one edge on the given line and the perpendicular-vertex on the given point. Construct a line along the other perpendicular edge.perpendicular using set squares

Which of the following methods can be used to construct a perpendicular through a point on a line?

  • method to construct perpendicular bisector using a compass
  • method to measure `90^@` angle using a protractor
  • either one of the above
  • either one of the above

The answer is "either one of the above"

Perpendicular through a point on a line : Use a compass to mark points `L` and `M` on the line that are in equal distance from the given point `P`. Construct the perpendicular bisector of `bar(LM)`.perpendicular using compass

Perpendicular through a point on a line : Place the protractor with origin on the given point and the base-line on the given line. Mark a point on `90^@` angle and draw a line through the given point and the marked point. perpendicular using protractor

                            
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