Find the area of a sector of a circle with central angle 180° and a diameter of 6ft. Round your answer to the nearest tenth.

Respuesta :

[tex]\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta\pi r^2}{360}\qquad \begin{cases} \theta=\textit{angle in degrees}\\ r=radius \end{cases}[/tex]