Obtuse Triangle Small 320×231 Medium 640×462 Large 1024×740 Download Tiff Original 2400×1734 | (187.6 KB) Description An illustration of an obtuse triangle with the height/altitude labeled h. Keywords altitude, height, obtuse triangle, triangles Galleries Miscellaneous Triangles Source: Albert A. Hopkins Scientific America: Handy Book Of Facts And Formulas (New York: Munn & Co., Inc., 1918) 41
