CBSE Class 9 Math, Constructions

Class IX Math
Notes for Constructions
BASIC CONSTRUCTIONS
A geometrical construction means to draw geometrical figures, such as an angle, a circle, a triangle, a quadrilateral, and a polygon, etc. We normally use all or some of the following instruments for drawing geometrical figures:
(i) A protractor
(ii) A pair of compasses
(iii) A parr of set squares
(iv) A pair of dividers
(v) A graduated scale.