Mathematics for CBSE Class 9 introduces many foundational concepts that serve as building blocks for higher classes. Topics such as algebraic identities, the surface areas and volumes of 3D shapes, ...

A formula is a rule that links variables and can be written using mathematical symbols. Substitute the given values for the length of one side (12) and the number of sides (5). Follow the formula ...

Area of Rectangle Formula: What is area? What is a rectangle? What is the area of a rectangle and how does one calculate the area of a rectangle? In this article, we have explained all concepts ...

The subject of a formula is the variable that is being worked out. It can be recognised as the letter on its own on one side of the equals sign. For example, in the formula for the area of a rectangle ...