In a given square, inscribe 4 equal circles so that...

Individual problems from throughout mathematics history, as well as articles that include problem sets for students.

In a given square, inscribe 4 equal circles so that...

Determine the different values of x, when a certain function hits a minimum.

An erect pole of 10 cubits has its base moved 6 cubits. Determine the new height and the distance the top of the pole is lowered.

Given a door and a measuring rod of unknown dimensions, the rod is used to measure the door.