The area of a circle can be derived by the formula A = πr^{2}. In this tutorial you will learn how to apply this formula to an example. For explanation on how this formula works read Continue reading “How to Calculate the Area of a Circle? | Geometry | Maths | Tutorial”

# Tag: mathematics

## Area of a Circle – Proof | Geometry | Maths | Tutorial

You may not know this but there is no way of calculating the area of a circle exactly. The area of a circle is calculated by splitting the circle into many right-angle triangles and then calculating the area of these triangles. As you know triangles have straight lines and circles are curved therefore Continue reading “Area of a Circle – Proof | Geometry | Maths | Tutorial”

## What is the age of both father and son? | Algebra | Maths | Tutorial

**QUESTION**

The age of a father is twice the age of his son. Twenty years ago, his age was 6 times his son’s age. What is the age of both father and son? Continue reading “What is the age of both father and son? | Algebra | Maths | Tutorial”

## Emma’s Dilemma – Permutations with Unique & Repeating Letters | Maths | Tutorial

In this scenario we look at two names EMMA and LUCY, we want to find out all the possible arrangements the letters of their name can be used to make this is known as permutations. We will also learn to use a formula that will help calculate how many different combinations there are without having to write them down manually this is especially useful if there are 100’s of possibilities. Continue reading “Emma’s Dilemma – Permutations with Unique & Repeating Letters | Maths | Tutorial”