# Area of circle?

##### 2 Answers

#### Answer:

#### Explanation:

or

Where;

Recall;

Hence;

That's why the Area of a circle is also;

#### Answer:

or

#### Explanation:

Other formulae are possible depending upon what information you have been given about the circle (for example, you might be given 3 points on the circumference of the circle).

However, these are the most common forms.

Note that