Right Triangle Small 286×320 Medium 572×640 Large 916×1024 Download Tiff Original 2400×2683 | (322.9 KB) Description Illustration showing a right triangle (one that has one right angle). Keywords 90 degrees, angle, angles, geometry, perpendicular, polygon, right, shape, side, triangle, triangles Galleries Miscellaneous Right Triangles Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 30
