Answer:
Area of the circle is following:
[tex]a = \pi \: r {}^{2} [/tex]
So there is radius=1
Putting it into formula:
[tex]a = \pi \: 1 {}^{2} \\ a = \pi \\ a = 3.14[/tex]
So the answer is
[tex]3.14 \: units {}^{2} [/tex]
Good luck!
Intelligent Muslim,
From Uzbekistan.
