Answer
$s=2.094$ meters
$A=4.189$ square meters
Work Step by Step
$s=r\times\theta$
$s=4\times\frac{\pi}{6}$ meters
Therefore $s=2.094$ meters
$A=\frac{1}{2}\theta r^{2}$, where the angle, $\theta$ measured in radians
$A=\frac{1}{2}(\frac{\pi}{6}) (4)^{2}$
$A=4.189$ square meters