$$\left. \begin{array} { l } { 2 \pi r , \frac { 7 } { 4 } } \\ { r = 7 1 = 10 8 } \\ { = 3 p = 3 } \end{array} \right.$$
$t = \frac{7}{4} = 1\frac{3}{4} = 1.75$
$s=14\pi \approx 43.98229715$
