https://www.mathsisfun.com/quadrilaterals.html

A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join ... For example a square, rhombus and rectangle are also parallelograms.

https://www.mathsisfun.com/geometry/trapezoid.html

A trapezoid is a 4-sided flat shape with straight sides that has a pair of opposite sides ... Example: A trapezoid's two bases are 6 m and 4m, and it is 3m high.

https://www.hackmath.net/en/examples/trapezoid?tag_id=62

Trapezoid - area of shape - solved math examples, examples solving and knowledge review. Examples count: 68.

https://en.wikipedia.org/wiki/Trapezoid

In Euclidean geometry, a convex quadrilateral with at least one pair of parallel sides is referred ..... However this shape is more usually (and less confusingly) just called an irregular ... Example of a trapeziform pronotum outlined on a spurge bug.

https://www.mathopenref.com/trapezoidarea.html

As the size of the trapezoid changes, the area is recalculated. ... For example: enter the height and two base lengths, and press 'Calculate'. ... Another way to find the area of a trapezoid is to treat it as some simpler shapes, and then add or  ...

https://www.khanacademy.org/math/basic-geo/basic-geometry-shapes/basic-geo-quadrilaterals/v/quadrilateral-overview

Learn the term quadrilateral as well as trapezoid, parallelogram, rectangle, ... Other examples of quadrilaterals without all congruent sides are trapezoids and ...

https://www.khanacademy.org/math/basic-geo/basic-geometry-shapes/basic-geo-quadrilaterals/v/quadrilateral-properties

To give one example, let's say that you proved the formula for the area of a trapezoid. Then you could easily find the area of a parallelogram IF you thought that it ...

https://sciencing.com/identify-trapezoid-6423.html

May 10, 2018 ... You've probably seen a trapezoid shape before, but you might not have ... Example: Find the area of a trapezoid with bases that measure 6 feet ...

https://www.reference.com/math/real-life-examples-trapezoids-38efd5ba1b9493b0

Since a trapezoid cannot be three-dimensional, many real-life examples of trapezoids are only partly designed with that shape. For example, the surface of a  ...

https://www.mathgoodies.com/lessons/vol1/area_trapezoid

trapezoid A trapezoid is a 4-sided figure with one pair of parallel sides. For example, in the diagram to the right, the bases are parallel. To find the area of a ...