In the figure below ABCD is an equilic quadrilateral. Prove that the midpoints E, G, and F of the diagonals and the side BC always determine an equilateral triangle.
Geometric art is a form of art based on the use and application of geometric figures. A geometric figure is any set or combination of points, lines, surfaces and solids.
A mobile app or mobile application software is a computer program designed to run on smartphones and tablet computers.
Original problem 1367.