The answer is:
The difference between the circle and the square is:
[tex]Difference=4\pi -8[/tex]
To solve the problem, we need to find the area of the circle and the area of the square, and then, subtract them.
For the square we have:
[tex]side=2\sqrt{2}[/tex]
We can calculate the diagonal of a square using the following formula:
[tex]diagonal=side*\sqrt{2}[/tex]
So,
[tex]diagonal=2\sqrt{2}*\sqrt{2}=2*(\sqrt{2})^{2}=2*2=4units[/tex]
The area will be:
[tex]Area_{square}=side^{2}= (2\sqrt{2})^{2} =4*2=8units^{2}[/tex]
For the circle we have:
[tex]radius=\frac{4units}{2}=2units[/tex]
The area will be:
[tex]Area_{Circle}=\pi *radius^{2}=\pi *2^{2}=\pi *4=4\pi units^{2}[/tex]
[tex]Area_{Circle}=4\pi units^{2}[/tex]
Then, the difference will be:
[tex]Difference=Area_{Circle}-Area{Square}=4\pi -8[/tex]
Have a nice day!
ANSWER
[tex]4\pi - 8[/tex]
EXPLANATION
The diagonal of the square can be found
using Pythagoras Theorem.
[tex] {d}^{2} = {(2 \sqrt{2} )}^{2} + {(2 \sqrt{2} )}^{2} [/tex]
[tex]{d}^{2} = 4 \times 2+ 4 \times 2[/tex]
[tex]{d}^{2} = 8+ 8[/tex]
[tex]{d}^{2} = 16[/tex]
Take positive square root
[tex]d = \sqrt{16} = 4[/tex]
The radius is half the diagonal because the diagonal formed the diameter of the circle.
Hence r=2 units.
Area of circle is
[tex]\pi {r}^{2} =\pi \times {2}^{2} = 4\pi[/tex]
The area of the square is
[tex] {l}^{2} = {(2 \sqrt{2)} }^{2} = 4 \times 2 = 8[/tex]
The difference in area is
[tex]4\pi - 8[/tex]