Lesson Objective

In this lesson, we will learn about the area of
a circle.

About This Lesson

In this lesson, we will:
**study tips** and **math video**
below will explain more.

- Learn about the formula for the area of a circle
- See an example on using the formula to find a circle's area
- See another example on using the formula to find the radius of a circle.

Tip #1

Consider the circle on the right, if the radius of this circle is **r**, the area,** A**
of the circle will be:

**A** = **π****r**^{2}

where**π** is a constant that is
approximately equals to 3.14.

The math video below will give more explanations on this. Also, we will see some examples on how to use the formula.

where

The math video below will give more explanations on this. Also, we will see some examples on how to use the formula.

Math Video Transcript

Multiple Choice Questions (MCQ)

Now, let's try some MCQ questions to understand
this lesson better.

You can start by going through the series of questions on the area of a circle or pick your choice of question below.

You can start by going through the series of questions on the area of a circle or pick your choice of question below.

- Question 1 on finding the area of a circle
- Question 2 on finding the radius of a circle