Subscribe to:
Posts (Atom)
Echo , the dolphin
Echo, a dolphin is trying to jump through a circular hole in his enclosure to escape from the aquarium. From echo's perspective just u...
-
Circle in a chess board Consider an infinite chessboard, where the squares have side length of 1. The squares are colored black and whit...
-
A inch diameter round pizza has been sliced by straight cuts, leaving a right triangle in the middle as shown here The edge of the...
-
100 Gold Coins Five pirates have obtained 100 gold coins and have to divide up the loot. The pirates are all...