Definitions Importent Definitions Chapter 5 Maths Class 9 Notes Chapter 5 Introduction to Euclid’s Geometry Maths

Definitions
1. A point is that which has no part.
2. A line is breathless length.
3. The ends of a line are points.
4. A straight line is a line which lies evenly with the points on itself.
5. A surface is that which has length and breadth only.
6. The edges of a surface are lines.
7. A plane surface is a surface which lies evenly with the straight lines on itself.
5.