Difference between revisions of "Square"
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A '''square''' is a [[polygon]] with four sides of equal length and four [[right angle]]s. | A '''square''' is a [[polygon]] with four sides of equal length and four [[right angle]]s. | ||
[[Image:square.gif]] | [[Image:square.gif]] | ||
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| + | Because it has two pairs of parallel sides, it is a parallelogram; because all of those four sides are equal in length, it is a thombus; because it is a parallelogram with four right angles, it is a rectangle. | ||
In [[algebra]], to square means to multiply a number by itself. For example, the square of 3 is 9 (3·3 = 3<sup>2</sup>). (See also [[exponent]]) | In [[algebra]], to square means to multiply a number by itself. For example, the square of 3 is 9 (3·3 = 3<sup>2</sup>). (See also [[exponent]]) | ||
Revision as of 06:28, February 3, 2010
A square is a polygon with four sides of equal length and four right angles.
Because it has two pairs of parallel sides, it is a parallelogram; because all of those four sides are equal in length, it is a thombus; because it is a parallelogram with four right angles, it is a rectangle.
In algebra, to square means to multiply a number by itself. For example, the square of 3 is 9 (3·3 = 32). (See also exponent)
(For the community space, see public square)