A trapezoidal number is a set of positive integers obtained by summing consecutively two or more positive integers greater than one, forming a trapezoidal pattern.

Jul 23, 2025 · Trapezoid is another name for trapezium. It is a quadrilateral in which one pair of opposite sides are parallel. These parallel sides are known as the bases of the trapezoid, and …

(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): A …

In order for a polygon to be a trapezoid, it must have the following properties: Four sides: A trapezoid is a four-sided polygon. Two parallel sides: A trapezoid has two sides that are …

trapezoidal adjective (BONE) anatomy specialized relating to the trapezoid bone (= a small bone in the wrist):

A trapezoid is a quadrilateral with two sides parallel. The trapezoid is equivalent to the British definition of trapezium (Bronshtein and Semendyayev 1977, p. 174). An isosceles trapezoid is …

The trapezoidal rule for estimating definite integrals uses trapezoids rather than rectangles to approximate the area under a curve. To gain insight into the final form of the rule, consider the …

Dec 11, 2025 · (geometry, British, Australia, New Zealand) A convex quadrilateral with no sides parallel. synonyms Synonyms: irregular quadrilateral, (US) trapezium (anatomy) The trapezoid …

In mathematics, the trapezoidal rule, also known as the trapezoid rule or trapezium rule is a technique for approximating the definite integral in numerical analysis. The trapezoidal rule is …

The trapezoidal rule is one of a family of formulas for numerical integration called Newton–Cotes formulas, of which the midpoint rule is similar to the trapezoid rule.