Presumably you mean a board similar to a Chess Board, in which case 64. 8x8 square.
24, if you're playing standard American checkers on an 8-by-8, 64-square board. There are variations that use 10-by-10 boards, or in the case of Turkish checkers, 16 pieces for each side by a 64-square board.
There are many different types of siding materials for the home. Siding is the house's outside skin and helps protect the home from weather. Different types of siding include wood shingles or shakes, which are expensive to buy, difficult to install and not fire resistant. Vinyl siding is inexpensive to install but might melt in the case of fire. Aluminum makes an excellent siding, however. It's still moderately expensive to buy and a bit difficult to install, but it lasts much longer than wood siding and resists fire. Its one drawback is that chalking might happen after about fifteen years, but chalk can be removed by scrubbing, then coating with a metal sealer.
A square is a special case of a rectangle which in turn is a special case of a parallelogram
A square is a special case of a parallelogram.
what did the U.S. Supreme Court case Brown v. Board of Education refer?
It can leave a stain, which caught soon enough can be removed easily, usually by using a pet stain remover, being careful that a particular cleaner will not damage the material you're cleaning by checking the label. Dog Urine can also increase the fading of some types of siding, and in a case where this happens, the questionable area will need to be repaired by new siding.
in a case
The width is 2 in this case.
The Brown vs. Board of Education case overturned the Plessy vs. Ferguson case.
Control board
A square is a special case of a rectangle.