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Rhombus facts for kids

Kids Encyclopedia Facts
Two rhombi
Type quadrilateral, parallelogram, kite
Edges and vertices 4
Schläfli symbol { } + { }
Coxeter diagram CDel node 1.pngCDel node 1.png
Symmetry group Dihedral (D2), [2], (*22), order 4
Dual polygon rectangle
Properties convex, isotoxal
Symmetries of square
The rhombus has a square as a special case, and is a special case of a kite and parallelogram.

A rhombus is a parallelogram with all sides equal in length. A rhombus with all angles equal is called a square. The word rhombus comes from the Greek word rhombos, meaning "spinning top". A rhombus is sometimes called a diamond, but not all rhombi are diamond shaped. To find the perimeter of a rhombus, just add up all the sides. Also opposite sides are parallel and opposite angles are equal. Another interesting thing is that the diagonals (dashed lines in second figure) meet in the middle at a right angle.

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Rhombus Facts for Kids. Kiddle Encyclopedia.