Similar Triangles With Respective Sides Parallel or Perpendicular
Illustration that shows that two triangles which have their sides respectively parallel, or respectively perpendicular, are similar.
Keywordsfigures, triangle, triangles, proportion, proportions, proportionate, similar polygons, proportionally, parallel sides, perpendicular sides
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 152