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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)Basic Shapes: Lines, Circles, Angles

### Constructing a circle and semi-circle

In this page, a short and to-the-point overview of constructing a circle and semi circle is provided.

click on the content to continue..

Which of the following help to construct a circle of radius 3cm?

• a protractor
• a compass
• a compass

Construction of a Circle : Measure the radius in a compass and mark a circle from the center point.

Which of the following help to construct a semi-circle of radius 3cm at point A?

• a protractor
• a compass
• a compass