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# What are the characteristics of a square?

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The characteristics of a square are that it is a regular quadrilateral with equal sides and four 90-degree angles. Quadrilaterals can only be squares if they match a list of conditions, including that they must have two adjacent equal sides and be a rhombus with all equal angles.

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The perimeter of a square will have the length of four times the side length. The diagonals of the square will be of equal length.

When circles are inscribed around or inside of a square, the area of the circle is either pi / 2 if the circle is around the square or pi / 4 if the circle is inscribed inside of the square.

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## Related Questions

• A:

Most rhombuses do not have right angles, but a square is technically a rhombus and does have right angles at each of its corners. A rhombus is defined by having four sides of equal length, where opposite sides run parallel to each other, and opposite angles are equal. A square fulfills all these conditions.

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A pentagon has five sides and five interior angles which add up to a total of 540 degrees. To determine the number of degrees of the interior angles in a pentagon requires subtracting two from the number of sides (five) and multiplying by 180.

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A heptagon is a figure or polygon that has seven angles and seven sides. The sum of these seven interior angles has to equal 900 degrees.