![]() ![]() Varsity Tutors does not have affiliation with universities mentioned on its website. Media outlet trademarks are owned by the respective media outlets and are not affiliated with Varsity Tutors.Īward-Winning claim based on CBS Local and Houston Press awards. Names of standardized tests are owned by the trademark holders and are not affiliated with Varsity Tutors LLC.Ĥ.9/5.0 Satisfaction Rating based upon cumulative historical session ratings through 12/31/20. The following Venn Diagram shows the inclusions and intersections of the various types of quadrilaterals. Venn Diagram of Quadrilateral Classification Quadrilateral is a four-sided polygon that has no congruent sides. Some textbooks say a kite has at least two pairs of adjacent congruent sides, so a rhombus is a special case of a kite.) Is a quadrilateral with exactly two pairs of adjacent congruent sides. Is a trapezoid whose non-parallel sides are congruent. in America, trapezium usually means a quadrilateral with no parallel sides.) (There may be some confusion about this word depending on which country you're in. Is a quadrilateral with exactly one pair of parallel sides. On the other hand, not all quadrilaterals and parallelograms are rectangles.Ī rectangle has all the properties of a parallelogram, plus the following:Ī rhombus has all the properties of a parallelogram, plus the following:Ĭan be defined as a rhombus which is also a rectangle – in other words, a parallelogram with four congruent sides and four right angles. Is a parallelogram with four right angles, so all rectangles are also parallelograms and quadrilaterals. Is a quadrilateral in which both pairs of opposite sides areĪ parallelogram also has the following properties: In the Got It? section, you will play games and complete interactive practice to classify quadrilaterals.There are many special types of quadrilateral. What special features are used to classify a quadrilateral?.Can a quadrilateral have 5 sides? Why or why not?.The third figure does not have straight sides. The second figure has more than four sides. The first figure has more than four sides and is three-dimensional. Quadrilaterals have only four sides and have straight sides. ![]() The following shapes are not quadrilaterals. The sides with one tick mark mean that those two sides are equal length and the same is true for the opposite sides with two tick marks, even though the actual measurements are not given. The tick marks on the sides of the rectangle help you see that the opposite sides are equal. The opposite sides are parallel and of equal length, so this quadrilateral is a rectangle. This shape has four sides and four right angles, which are 90 degrees each. Name the quadrilateral and explain your reasoning: Next, review this quadrilateral chart so you can become more familiar with each shape: The interior, or inside, angles add up to 360 degrees.Īs you watch Math Antics - Quadrilaterals, from mathantics, write down one special property about each quadrilateral: Quadrilaterals can also have parallel sides - sides that stay the same distance apart and never cross each other. Quadrilaterals have these special properties: On a piece of paper, draw an example of these shapes and describe the properties of each shape out loud. Parallelograms, rhombuses, trapezoids, squares, and rectangles are quadrilaterals. Polygons with four sides are called quadrilaterals. ![]()
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