Right Triangle Small 320×287 Medium 640×573 Large 1024×917 Download Tiff Original 2400×2150 | (252.5 KB) Description Right triangle with square Keywords altitude, angles, perpendicular lines, right angle, square, triangle Galleries Miscellaneous Right Triangles Source: Claude Irwin Palmer Library of Practical Electricity: Practical Mathematics For Home Study (New York: McGraw-Hill Book Company, Inc., 1919) 113
