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Trapezoid - Wikipedia
 
Trapezoid can be defined exclusively or inclusively. Under an exclusive definition a trapezoid is a quadrilateral having exactly one pair of parallel sides, with the other pair of opposite sides non-parallel. 
  
Trapezoid – Definition, Properties, Formulas & Examples
 
A trapezoid is a flat geometric shape with four straight sides having at least one pair of opposite parallel sides. It looks like a triangle whose top portion is sliced off. 
  
Trapezoid - Math is Fun
 
(Jump to Area of a Trapezoid or Perimeter of a Trapezoid) A trapezoid is a 4-sided flat shape with straight sides that has a pair of opposite sides parallel (marked with arrows below): 
  
Trapezoid Calculator
 
The trapezoid calculator is here to give you all the information about your trapezoid shape – the sides, height, angles, area, and perimeter. 
  
Trapezoid - Shape, Properties, Formula, Definition, Examples
 
A trapezoid is also called a trapezium in some parts of the world and it is a type of quadrilateral with one pair of opposite sides parallel to each other. Learn more about the trapezoid and its properties along with formulas. 
  
Trapezoid Shape: Definition, Area Formula and Fun Facts - MathBlog
 
A trapezoid is a geometric figure characterized by four sides. Two of the sides run parallel with one another and are opposite to one another. These parallel sides are known as the bases, while the non-parallel sides are referred to as the legs. Trapezoids are distinguished from other quadrilaterals by this unique configuration. 
  
Trapezoid – Definition, Types, Properties, Examples, FAQs
 
A trapezoid, also known as a trapezium, is a flat closed shape having 4 straight sides, with one pair of parallel sides. The parallel sides of a trapezium are known as the bases, and its non-parallel sides are called legs. The parallel sides can be horizontal, vertical or slanting. 
  
Trapezoid Bases, Legs, Angles and Area, The Rules and Formulas
 
A trapezoid is a quadrilateral with one pair of parallel lines. Bases - The two parallel lines are called the bases. The Legs - The two non parallel lines are the legs. The angles on the same side of a leg are called adjacent angles such as $$\angle A $$ and $$ \angle D $$ are supplementary. 
  
Trapezoid - Definition, Types, Properties and Formulas
 
Discover the trapezoid: its definition, types, key properties, and formulas. Learn about this unique geometric shape and its mathematical significance. 
  
Trapezoid - Math.net
 
For the sake of this article, we will define a trapezoid as a quadrilateral with only one pair of parallel sides. The parallel sides of a trapezoid are referred to as its bases. The non-parallel sides are called legs. The height (or altitude) is the line segment used to measure the shortest distance between the two bases. 
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