Construction of a Triangle Given Perimeter, Angle, Altitude Small 320×129 Medium 640×258 Large 1024×413 Download Tiff Original 2400×969 | (127.9 KB) Description Illustration used to construct a triangle , given the perimeter, one angle, and the altitude from the vertex of the given angle. Keywords altitude to vertex, construction, constructions, given angle, perimeter, triangle, triangles Galleries Geometric Constructions Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 128 Courtesy the private collection of Roy Winkelman