A Small Walking Bridge with a Support Arch $10.00 \mathrm{~m}$ Wide And

Short Answer

A small walking bridge with a support arch $10.00 \mathrm{~m}$ wide and $2.00 \mathrm{~m}$ tall has the equation $y=-\frac{2}{25} x^{2}+2$ . Find the length of the $\operatorname{arch}(x=-5$ to $x=5)$ .