DictionaryparallelogramFour-sided shape
noun

parallelogram

pair-uh-LEL-uh-gram/ˌpærəˈleləɡræm/

A four-sided shape with both pairs of opposite sides parallel.

The opposite sides of a parallelogram are parallel and equal.

One clear nonrectangular parallelogram drawn as solid blue paper quadrilateral on white, opposite sides exactly parallel.
Etymology

The Greek components describe a figure “bounded by parallel lines.” The drawing sense of graphein connects the name to the lines forming the shape, whose opposite sides run parallel in two pairs.

In context

Dr Duncan James0:31
let's notice that these two lines are parallel that they must be by the nature of being a parallelogram
Parallelogram Trisector Discussion

More examples

  • Squares and rectangles are special types of parallelograms.
  • Find the area of a parallelogram by multiplying its base by its height.
  • A diagonal divides a parallelogram into two matching triangles.

Forms

parallelogram · parallelograms

Similar words

quadrilateral
Any four-sided shape; opposite sides need not be parallel.
rectangle
A special parallelogram with four right angles.
rhombus
A special parallelogram with all four sides equal.