Joey Logano and the No. 22 Shell-Pennzoil Ford Fusion race team won the pole and held on to the lead for the race victory at the FireKeepers Casino 400 at Michigan International Speedway (MIS) in NASCAR Sprint Cup Series competition on Sunday, June 12th.
How many squares are there on a chess board? The board has 8 squares along the bottom and 8 squares up the side, so most people would say the answer is 8x8 =64.
The first thing is why the answer is not just 64... All the red squares in the above picture would count as valid squares, so we are asking how many squares of any dimension from 1x1 to 8x8 there are on a chess board. The key is to think how many positions there are that each size of square can be located...