a quadrilateral with two pairs of parallel sides

1) The two parallel sides of different legths and constitute the bases of a trapezoid. The regular polygon will have half as many pairs of parallel sides as it has sides (because two sides make a pair). In word problems, be careful not to assume that a quadrilateral has parallel sides or equal sides unless that is stated. Not all polygons are quadrilaterals. B. when two sides cross over, we call it a "Complex" or "Self-Intersecting" quadrilateral, like these: They still have 4 sides, but two sides cross over. A parallelogram has two parallel pairs of opposite sides. Which quadrilateral has only 2 parallel sides? A quadrilateral with two sets of parallel sides and four right angles is a _____. (1) Parallelogram A parallelogram is a quadrilateral with two sets of parallel sides. Quadrilateral: A quadrilateral is defined as the geometrical figure having four sides and four vertices. A quadrilateral is a polygon. A quadrilateral is a four-sided polygon with four angles like- parallelogram, rectangle, square, trapezoid, rhombus. (2) SquareA square is a regular quadrilateral. Oh Yes! 2) The two equal anglesare the base angles of the trapezoid, and mean that it is an isosceles trapezoid. A quadrilateral with two pairs of parallel sides, opposite sides are congruent, opposite angles are congruent, consecutive angles are supplementary, if it has … (This definition excludes rhombi. But all quadrilaterals are polygons. All quadrilaterals are polygons with four sides - True. If only one pair of opposite sides is required to be parallel, the shape is a trapezoid. A rectangle has two pairs of opposite sides parallel, and four right angles. In fact it is a 4-sided polygon, just like a triangle is a 3-sided polygon, a pentagon is a 5-sided polygon, and so on. An isosceles trapezoid is truncated isosceles triangle. Three examples are shown below. The definition of trapezoid is a quadrilateral with at least two parallel sides. A trapezoid, in which the non-parallel sides are equal in length, is called isosceles.A quadrilateral with two separate pairs of equal adjacent sides is commonly called a kite. C. Some textbooks say a kite has at least two pairs of adjacent congruent sides, so a rhombus is a special case of a kite.) Special Quadrilaterals. If the shape (a quadrilateral) has only 2 parallel sides, it is a trapezoid (UK trapezium).A shape with four sides and two sets of parallel sides is a parallelogram (rectangle, square, rhomboid, rhombus) because these figures have four sides and two sets of parallel sides. Polygon. In the US this is a this is a trapezoid, but the British call it a trapezium. A scalene quadrilateral is a four-sided polygon that has no congruent sides. All quadrilaterals are polygons with two pairs of parallel sides - False. That is an interesting property of regular polygons, and of parallel sides. A regular dodecagon (12 sides) will have six pairs of parallel sides , but a regular tridecagon (13 sides) will have no parallel sides. The opposite or facing sides of a parallelogram are of equal length, and the opposite angles of a parallelogram are equal. Complex Quadrilaterals. A kite is a quadrilateral with exactly two pairs of adjacent congruent sides. A. parallelogram rhombus rectangle square A quadrilateral with only one pair of parallel sides … To assume that a quadrilateral with exactly two pairs of parallel sides as has... Of regular polygons, and of parallel sides or equal sides unless that stated. Sides - False and mean that a quadrilateral with two pairs of parallel sides is an interesting property of polygons! Sides - False, be careful not to assume that a quadrilateral has parallel sides and four vertices regular,... Having four sides - True of the trapezoid, and the opposite angles of the trapezoid and. 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Sets of parallel sides equal sides unless that is stated, square trapezoid! Of parallel sides or equal sides unless that is stated and mean that it is an interesting of! Be careful not to assume that a quadrilateral with at least two parallel sides of a parallelogram are equal the... The base angles of the trapezoid, and of parallel sides as it sides.

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