100 problemsawith instructive solutionsaon numbers, equations, polygons, polyhedra, and many other topics. Very challenging. Additional 13 problems without solutions.The distance from the midpoint M of AB to the top T of the pyramid is given by the length of the straight segment MT on the diagram. This follows immediately from the fact that MTh straight, not only on the diagram but also in space, whereas allanbsp;...
|Title||:||One Hundred Problems in Elementary Mathematics|
|Publisher||:||Courier Corporation - 1964|