The transportation department has to put a railing along the outer curve of this road. the road is 20 feet wide. what is the length of the outer curve to the nearest foot? use the value pi= 3.14..

From my research, the image attached supports the problem. Since only the outer curve is to be solved for, the formula for arcs can be used.

s = theta*radius

where s = arc length = outer curve

theta = 70 (pi/180)
radius = 70

s = 70 * (70*pi/180)
s = 85.52 feet

Therefore, the outer curve is 85.52 feet long