# Basic Math

## Reflex Angle

An angle is called a Reflex Angle if it varies from more than 180 degrees to less than 360 degrees. We get the word angle from the Latin word “Angulus.”  …

## Area of Trapezium

A trapezium is a convex quadrilateral. It is a 2-dimensional shape. It contains one pair of opposite sides parallel to each other. To find the area of the trapezium, we need …

## What is the Factorial of 100

Factorial of 100 or any whole number “n” is defined as the product of all the numbers less than or equal to “n” up to 1.  For instance, the factorial …

## Volume of Hemisphere

The volume of the Hemisphere is an important topic and an important formula and keeps appearing in a lot of exams. To understand this properly, let us start with 3D …

## Profit and Loss Formulas

Profit or Loss these terms are very often used in our daily lives. These are the terms used to identify if a deal made is profitable or not. In simple …

## Area of Rhombus

A rhombus is a type of quadrilateral. It is a special case of a parallelogram, with its diagonals intersecting each other at 90 degrees. The area of the rhombus is …

## Rhombus

A Rhombus is a type of quadrilateral. It is a special case of a parallelogram, with its diagonals intersecting each other at 90 degrees. It is an equilateral quadrilateral; all …

## Divisibility Rule of 11

Divisibility rule of 11 or any divisibility rule for that matter is a shortcut used to find if a number is perfectly divisible by that number or not. These rules …

## Divisibility Rule of 6

A number is said to be divisible by another number if the remainder of the division is a zero(0). Divisibility rules are often used to determine, if a number is …

## Divisibility Rule of 5

A number is said to be divisible by another number if the remainder comes out to be zero(0). Divisibility rules are often used to determine, if a number is divisible …

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