## Linear Equations in One Variable

An algebraic expression in the form of equation involving only *linear polynomials* is cal...

## Understanding Quadrilaterals

The word **polygon** is derived from two Greek words *"Polus" which means "many"...*

*Practical Geometry*

### Construction of Quadrilaterals when the lengths of four sides and a diagonal are given.

## Mensuration

### Important Formula

(1) Area of a **Rectangle** = Length × Breadth