In the figure below, ABCD is a parallelogram of area S. S1 is the area of the shaded octagon determined by connecting the midpoints E, F, G, and H with the opposite vertex of the parallelogram ABCD. Prove that S1 = S / 6.
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 161