Question 30, 3.2.65
Part 1 of 3
(a) The radius of the curve is ft.
(Round to the nearest integer as needed.)
HW Score: 98.99 % , 32.67 of 33 points
Points: 0.67 of 1
Circular railroad curves are designated by the degree of curvature, the central angle subtended by a chord of 100 ft. Suppose a portion of track has a curvature of 54.0°. Find (a) the radius of the curve, (b)
the length of the arc determined by the 100-ft chord, and (c) the area of the portion of the circle bounded by the arc and the 100-ft chord.
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