Answer:
L = 85.85
Explanation:
figure relate to this question is attache below
so, radius for outer curve is 70 ft
we know that
[tex]arc\ length = radius \times angle[/tex]
angle is given as 70 degree, convert degree to radian = [tex]70 \times \frac{\pi}{180}[/tex]
[tex]L = 70 \times [70 \frac{\pi}{180}][/tex]
L = 85.85
