Circle With a Chord of 2 ft. and a Radius of 3 ft. Small 320×296 Medium 640×593 Large 1024×948 Download Tiff Original 2400×2223 | (220.4 KB) Description Circle with chord AB=2 ft. and radius OA = 3 ft.. Triangle AOC is a right triangle. Angle AOC=half angle AOB, and the central angle AOB has the same measure as the arc AnB. Keywords 2 ft., 3 feet, angle, area, center, central angle, chord, circle, Distance, length, radii, radius, Right Triangle, triangles, trig, trigonometry Galleries Trigonometry: Circles Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 434 Courtesy the private collection of Roy Winkelman