Square

Square

In geometry, a square is a regular quadrilateral. This means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square with vertices ABCD would be denoted ABCD.

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Famous quotes containing the word square:

    “Mark you the floore? that square & speckled stone,
    Which looks so firm and strong,
    Is Patience:”
    —George Herbert (1593–1633)

    “O for a man who is a man, and, as my neighbor says, has a bone in his back which you cannot pass your hand through! Our statistics are at fault: the population has been returned too large. How many men are there to a square thousand miles in this country? Hardly one.”
    —Henry David Thoreau (1817–1862)