# Square Inside a Circle AreaSupport Page

Welcome to our Square Inside a Circle Area support page.

Looking for some help and support to find the area of a square inside a circle?

Then look no further - we have explanations, worked examples and practice sheets to help you master this skill!

## Square Inside a Circle Area Intro

### Square Inside a Circle Area Formula

#### Formula for finding the Area of a Square inside a Circle For those of you who just like to know what the formula is:

Area of Square Inside a Circle $A = 2r^2$

Where r is the radius of the circle, and also the distance from the center of the square to one of its corners.

Finding the Area of the Circle that is not inside the square (the part of the circle shaded green below). The formula for the area of a circle is $A = \pi r^2$

To find the area of the part of the circle not inside the square, we just subtract the area of the square from the area of the circle.

$A = \pi r^2 - 2 r^2 = (\pi - 2) r^2$

So the Area of the left over Circle is $A = (\pi - 2) r^2$

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