[tex] \alpha = \frac{3\pi}{4} r {}^{2}[/tex]
[tex] \alpha = \frac{3 \times 3.14}{4} \times (2) {}^{2} [/tex]
[tex] \alpha = 9.42[/tex]
Normally the area would be given by a=πr², but since we have three quarters of a circle, we can just say a=3π/4 (r)²
Area=3π if you want it in radians :)
