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# How many angles does a quadrilateral have?

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### Quick Answer

A quadrilateral has four angles. There are many different types of quadrilaterals, and each has a specific name based on the shape that is formed.

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### Full Answer

A quadrilateral can be named based off of the lengths of the sides and what type of angles are formed in the interior. A square is a quadrilateral with four equal sides and all interior angles equaling 90 degrees each. A rectangle is a quadrilateral that has interior angles that each equal 90 degrees, but all sides are not the same length. A rhombus is a quadrilateral that has interior angles that are equal, but they are not 90 degrees. The sides are also all the same length.

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## Related Questions

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A four-sided polygon is known as a quadrilateral. There are various types of quadrilaterals, but the most recognized are the square, rectangle, rhombus, trapezoid and the parallelogram. Quadrilaterals are always flat shapes that have four straight edges and four corners or vertices.

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A parallelogram is a two-dimensional rhomboid or quadrilateral with four sides. The four sides, or edges, consist of two pairs, each with the opposite side parallel and congruent. The two pairs of consecutive angles, or vertices, in a parallelogram are supplementary, which means that the sum of the angles in each consecutive pair is 180 degrees.

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A trapezium is a quadrilateral that consists of four sides that are not parallel. If one pair of these sides were parallel, it would be called a trapezoid. If both pairs were parallel, it would be a parallelogram.

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A quadrilateral is any two-dimensional shape or polygon that has four straight sides. A quadrilateral can also be called a quadrangle or a tetragon.

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