Rectilinear Figures
- Polygons
- A simple closed curve made up of line segments only is called a polygon.
- Polygons can be classified according to their number of sides (or vertices).
Number of side/vertices |
Classification |
3 |
Triangle |
4 |
Quadrilateral |
5 |
Pentagon |
6 |
Hexagon |
7 |
Heptagon |
. |
. |
. |
. |
n |
n – gon |
- The line segment connecting two non-consecutive vertices of a polygon are called diagonals.
For polygon ABCD, AC and BD are diagonals and for polygon PQRS, QS and PR are diagonals.
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