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# How is a rhombus similar to a square?

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A rhombus is similar to a square in two ways: both have two pairs of parallel sides and both have four equal sides. A rhombus is different from a square because it does not have four right angles. All squares are also rhombuses.

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A rhombus is one of several types of four-sided shapes known as quadrilaterals. Other quadrilaterals are rectangles, parallelograms, kites and trapezoids. In addition to the square, a rhombus is similar to a parallelogram because both shapes have two sets of parallel sides. While all rhombuses are parallelograms, a parallelogram is not a rhombus because it does not have four equal sides. The area of a rhombus can be calculated by multiplying its height by its side length. The perimeter is calculated by multiplying the length of a side by four.

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## Related Questions

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Most rhombuses do not have right angles, but a square is technically a rhombus and does have right angles at each of its corners. A rhombus is defined by having four sides of equal length, where opposite sides run parallel to each other, and opposite angles are equal. A square fulfills all these conditions.

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A square is always a rhombus; it is a special kind of rhombus where all four corners are right angles. A rhombus is a two-dimensional geometric shape with four equal-length, straight sides.

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A parallelogram with all sides congruent is called a rhombus. All the sides of a rhombus are equal in length, which is why it is also called an equilateral quadrilateral. Other names commonly used to refer to a rhombus are "lozenge" and "diamond."