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# What is a quadrangle that is not a parallelogram?

A trapezoid is a quadrangle that is not a parallelogram. A trapezoid is a quadrangle because it has four sides and four internal angles, but it is not a parallelogram because it only has one pair of parallel sides rather than two.

Continue ReadingEach of the two parallel sides is called a base of the trapezoid, and each of the two non-parallel sides is referred to as a leg. The perimeter of the trapezoid is determined by adding the lengths of all four sides together. The formula for the area of the trapezoid requires multiplying the height by the sum of both bases and dividing by two.

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## What is a quadrilateral with exactly one pair of opposite sides that are parallel?

A: A quadrilateral with exactly one pair of opposite parallel sides is called a trapezoid. As with all quadrilaterals, the sum of the interior angles of a tra... Full Answer >Filed Under: -
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## What is a three-dimensional trapezoid called?

A: A three-dimensional trapezoid is also known as a trapezoidal prism. Three-dimensional figures, also referred to as 3D objects, are figures in space that ha... Full Answer >Filed Under: -
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## How many vertices does a trapezoid have?

A: A trapezoid has four sides and four vertices. A vertex is a corner of a polygon. According to Reference.com, a trapezoid is a quadrilateral plane figure th... Full Answer >Filed Under: -
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## How many sides does a trapezoid have?

A: A trapezoid has four sides. It is a simple, convex quadrilateral with at least one pair of parallel sides. In British English, it is typically called a tra... Full Answer >Filed Under: