Right Triangle Inscribed in Semicircle Shows Mean Proportional
Right triangle inscribed in semicircle. Illustration shows that the perpendicular from any point in the circumference to the diameter of a circle is the mean proportional between the segments of the diameter.
Keywordscircle, diameter, triangles, proportion, Right Triangle, Semicircle, Circumference, proportions, proportionate, mean proportional
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 161