Midpoints of Triangle Divide Triangle into Four Equal Triangles
Illustration to show that if the lines joining the middle points of the sides of a triangle divide the triangle into four equal triangles.
Keywordstriangle, base, middle, angle, side, triangles, angles, Sides, bisect, bisector, bisects, midpoint, midpoints
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 69