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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.
STUDY MATERIAL FOR CBSE CLASS 9 MATH
Chapter 1 - Area of Parallelograms and Triangles
Chapter 2 - Circles
Chapter 3 - Constructions
Chapter 4 - Coordinate Geometry
Chapter 5 - Herons Formula
Chapter 6 - Introduction to Euclids Geometry
Chapter 7 - Linear Equations in two variables
Chapter 8 - Lines and Angles
Chapter 9 - Number Systems
Chapter 10 - Polynomials
Chapter 11 - Probability
Chapter 12 - Quadrilaterals
Chapter 13 - Statistics
Chapter 14 - Surface Areas and Volumes
Chapter 15 - Triangles