In geometry, a rhombus (pl.: rhombi or rhombuses) is an equilateral quadrilateral, a quadrilateral whose four sides all have the same length. Other names for rhombus include diamond, lozenge, and calisson.

Aug 3, 2023 · A rhombus is a quadrilateral having four equal sides where the opposite sides are parallel and opposite angles are equal. The plural form of a rhombus is rhombi or rhombuses.

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(Jump to Area of a Rhombus or Perimeter of a Rhombus). A Rhombus is a flat shape with 4 equal straight sides. A rhombus looks like a diamond.

Aug 21, 2025 · A rhombus is a special case of a parallelogram, and if all its angles are 90 degrees, it becomes a square. A Rhombus is also known as a Rhomb, a Lozenge, and a Diamond.

A rhombus is a four-sided geometric figure in which all four sides are of the same length and each of the two pairs of opposite sides are parallel to each other. It is a type of parallelogram. Its name comes …

A rhombus is a closed two-dimensional plane figure. It is considered a special parallelogram, and because of its unique properties, it gets an individual identity as a quadrilateral.

Free rhombus step-by-step math topic guide, including the properties, step-by-step examples, free practice questions, teaching tips, and more!

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A rhombus is a unique geometric shape characterized by having four sides of equal length. The word rhombus comes from the Greek word rhombos, meaning "spinning top". [1]