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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.
mathsConstruction / Practical Geometry (basics)Secondary Elements of Practical Geometry

### Perpendicular to a point not on a line

In this page, a short and to-the-point overview of constructing a perpendicular to a point not on a line is provided.

click on the content to continue..

Which of the following can help to construct a perpendicular to a line through a point outside the line?

• a set Square
• a compass
• a compass
• one of the above

The answer is "One of the above : set square or compass"

Perpendicular to a Point : Use the perpendicular edges of a set square, one edge on the given line and the other edge on the given point. Construct a line along the other perpendicular edge.

Perpendicular to a Point : 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).

slide-show version coming soon