Chords, Diameters, and Radii of a Circle Small 320×314 Medium 640×629 Large 1024×1006 Download Tiff Original 2443×2400 | (243.8 KB) Description Illustration of a circle with diameter AB. Radii are RO, SO, AO, and BO. ED is a chord. Keywords chord, chords, circle, circles, diameter, diameters, geometry, radii, radius, secant, secants, tangent, tangents Galleries Circles Source: C.A. Hart, Daniel D. Feldman Plane and Solid Geometry (New York, NY: American Book Company, 1911)
