Difference between revisions of "Square"
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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 | + | 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 rhombus; 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 21:05, November 11, 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 rhombus; 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)
