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: learning

## 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”

## BODMAS – The Order Of Mathematical Operations | Maths | Tutorial

You may come across a simple maths questions with a mixture of brackets, orders (powers), division, multiplication, addition and subtraction all at once. You may think to yourself where do I start, this is where Continue reading “BODMAS – The Order Of Mathematical Operations | Maths | Tutorial”

## How To Keep Your Online Account Secure | Cyber Security

In this era, data breaches are a common occurrence. Well-known company’s such as Yahoo, LinkedIn, eBay, Zynga and Adobe have all had customer credentials stolen from their servers. We need to be vigilant to safeguard our data and in order to do that this guide will provide some tips on how to keep your account protected. Continue reading “How To Keep Your Online Account Secure | Cyber Security”

## Phishing Attack – Facebook Post (Example) | Cyber Security | Social Engineering

With more people now using social media other than email phishing attacks through social networks such as Facebook, twitter and Instagram are now on the rise. These posts are especially difficult to judge as they may have been shared or liked many times, making it appear popular or genuine due to the popularity of the post. Continue reading “Phishing Attack – Facebook Post (Example) | Cyber Security | Social Engineering”

## Phishing Attack – Text Messages (Example) | Cyber Security | Social Engineering

Text message phishing attacks have evolved over time with the advancement of security technology. OTP (One-time Password) is currently the most commonly used 2FA (Two-Factor Authentication) technique. Most banks and many retail websites now require that in addition to you logging in with a password, Continue reading “Phishing Attack – Text Messages (Example) | Cyber Security | Social Engineering”

## Phishing Attack – Email (Example) | Cyber Security | Social Engineering

Phishing attacks are very common through email, it is very likely that everyone who has an email account may have come across an email trying to social engineer you for data. In this guide we will look at an example of how a phishing attack is executed through email. Continue reading “Phishing Attack – Email (Example) | Cyber Security | Social Engineering”

## Phishing Attack – Phone Call (Example) | Cyber Security | Social Engineering

In this guide we will look at one example how a phishing attack can be carried out through a phone call. We will also look at what could happen to our data if the attack was successful and how we could have prevented this. More Continue reading “Phishing Attack – Phone Call (Example) | Cyber Security | Social Engineering”

## How Do I Overcome Phishing Attacks? | Cyber Security | Social Engineering

**What is Phishing?**

Phishing is a form of cyber-attack used by criminals to social engineer your data. Their goal is to firstly make you believe the email, text or call you receive is genuine. Once this first step is successful, they will go on to manipulate you until they have all data that they require. Continue reading “How Do I Overcome Phishing Attacks? | Cyber Security | Social Engineering”

## 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”