Geometrical instruments

Good Afternoon my dear little friends!!

How good are you in Geometry? Its good to see that we have many geometry problem solver these days online. Have you tried drawing any angle without a protractor? or draw a circle without a compass, it is not possible.

Without the use of geometrical instrument, these things are not possible and i am sure you will agree to my statement. Well lets see how they are useful to us.

The geometrical box shown towards your right side is a basic requirement to learn geometry. Lets refresh your mind....:-)

1. Ruler:

You must have noticed that one edge of the ruler is graduated in centimeters and the other in inches. A ruler is used to draw lines and measure the length of the line segment.

Compass:

Compass is used to draw a circle with a given measurement of its radius and a line segment. We can also construct angles of given measures with the compass. There is a provision in the compass to insert a pencil.

Divider:

It is used to measure the length of a line segment and to compare the lengths of two given line segments.

A pair of Set – Squares:

They are used to construct perpendicular lines and parallel lines. One set-square has 30° − 60° − 90° angles at the vertices' and the other has 45° − 45° − 90° angles at the vertices'.

Look at the uses these geometrical instruments have, how they are used. This is the basic concept you must know when you start learning geometry. Let me know your views on this….