Rhombus vs. Parallelogram: Know the Difference

By Shumaila Saeed || Updated on December 25, 2023

A rhombus is a quadrilateral with all sides equal, while a parallelogram has opposite sides equal and parallel.

Rhombus vs. Parallelogram

Key Differences

A rhombus is a special type of parallelogram where all four sides are of equal length. In contrast, a parallelogram is defined as a quadrilateral with opposite sides that are equal and parallel. While every rhombus is a parallelogram, not all parallelograms are rhombuses.

Nov 15, 2023

The angles in a rhombus can be of any measure, but opposite angles are always equal. In a parallelogram, this is also true; however, the consecutive angles in a parallelogram add up to 180 degrees, a property not specific to rhombuses.

Nov 15, 2023

Diagonals in a rhombus bisect each other at right angles and are also angle bisectors. In a parallelogram, the diagonals bisect each other but not necessarily at right angles and they don't typically bisect the angles.

Nov 15, 2023

A rhombus has an axis of symmetry along its diagonals. In contrast, a parallelogram generally does not have such axes of symmetry unless it is a rectangle or a rhombus itself.

Nov 15, 2023

The perimeter of a rhombus can be calculated using the formula 4 times the length of one side. For a parallelogram, the perimeter is calculated by adding twice the length of adjacent sides.

Nov 15, 2023

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Comparison Chart

Sides

All sides are equal in length.

Opposite sides are equal in length.

Nov 15, 2023

Angles

Opposite angles are equal.

Opposite angles are equal; consecutive angles sum to 180°.

Nov 15, 2023

Diagonals

Bisect each other at right angles.

Bisect each other but not necessarily at right angles.

Nov 15, 2023

Symmetry

Has axes of symmetry along diagonals.

No specific axes of symmetry unless a rectangle or rhombus.

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Perimeter Formula

4 times the length of one side.

Sum of twice the length of adjacent sides.

Nov 15, 2023

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Rhombus and Parallelogram Definitions

Rhombus

A parallelogram with all sides of equal length.

A square is a special type of rhombus with right angles.

Nov 15, 2023

Parallelogram

A flat shape with opposite sides equal and parallel.

He cut the paper into a parallelogram for his art project.

Nov 15, 2023

Rhombus

A rhombus is a four-sided shape with all sides of equal length.

The diamond shape on this card is a perfect rhombus.

Nov 15, 2023

Parallelogram

A simple quadrilateral with two pairs of parallel sides.

The parallelogram's opposite angles were equal, as shown by the proof.

Nov 15, 2023

Rhombus

A quadrilateral with opposite equal acute and obtuse angles.

In geometry class, we learned how to calculate the area of a rhombus.

Nov 15, 2023

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Parallelogram

A quadrilateral with both pairs of opposite sides parallel.

In the diagram, each parallelogram represents a different phase.

Nov 15, 2023

Rhombus

A geometric figure with four sides of equal length.

The children used sticks to form a rhombus on the ground.

Nov 15, 2023

Parallelogram

A four-sided figure with opposite sides parallel and equal.

The teacher showed how the area of a parallelogram can be calculated.

Nov 15, 2023

Rhombus

An equilateral parallelogram, especially one having oblique angles. Also called rhomb.

Oct 19, 2023

Parallelogram

A four-sided plane figure with opposite sides parallel.

Oct 19, 2023

Rhombus

(geometry) A parallelogram having all sides of equal length.

Oct 19, 2023

Parallelogram

(geometry) A convex quadrilateral in which each pair of opposite edges are parallel and of equal length.

Oct 19, 2023

Rhombus

The rhombus diamond, as one of the suits seen in a deck of playing cards (♦ or ♦).

Oct 19, 2023

Parallelogram

Either of two rectangular areas (respectively the large parallelogram and the small parallelogram) abutting the goal line in front of the goal. (Since 1986 officially named the large rectangle and small rectangle, though the older names are still occasionally used.)

Oct 19, 2023

Rhombus

In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.

Oct 19, 2023

Parallelogram

A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; - sometimes restricted in popular usage to a rectangle, or quadrilateral figure which is longer than it is broad, and with right angles.

Oct 19, 2023

Rhombus

Any of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.

Oct 19, 2023

Parallelogram

A quadrilateral whose opposite sides are both parallel and equal in length

Oct 19, 2023

Rhombus

Snails, now in genus Conus or family Conidae.

Oct 19, 2023

Parallelogram

A geometric figure where opposite sides are parallel and equal in length.

The parallelogram on the flag had equal and parallel opposite sides.

Nov 15, 2023

Rhombus

Same as Rhomb, 1.

Oct 19, 2023

Rhombus

A parallelogram with four equal sides; an oblique-angled equilateral parallelogram

Oct 19, 2023

Rhombus

A flat shape with four equal straight sides and no right angles.

She drew a rhombus, ensuring each side was of the same length.

Nov 15, 2023

Repeatedly Asked Queries

Are all rhombuses parallelograms?

Yes, all rhombuses are parallelograms.

Nov 15, 2023

What is a parallelogram?

A four-sided figure with opposite sides that are parallel and equal.

Nov 15, 2023

How do the diagonals in a rhombus behave?

They bisect each other at right angles.

Nov 15, 2023

How do the diagonals in a parallelogram behave?

They bisect each other but not necessarily at right angles.

Nov 15, 2023

What is a rhombus?

A quadrilateral with all four sides of equal length.

Nov 15, 2023

Can a parallelogram be a square?

Yes, a square is a special type of parallelogram.

Nov 15, 2023

What are the angle properties of a rhombus?

Opposite angles are equal.

Nov 15, 2023

Are all parallelograms rhombuses?

No, not all parallelograms are rhombuses.

Nov 15, 2023

How do you calculate the perimeter of a rhombus?

By multiplying the length of one side by four.

Nov 15, 2023

How do you calculate the perimeter of a parallelogram?

By adding twice the length of adjacent sides.

Nov 15, 2023

Does a parallelogram have any axes of symmetry?

Generally no, unless it’s a rectangle or rhombus.

Nov 15, 2023

Can a parallelogram have right angles?

Yes, a rectangle is a parallelogram with right angles.

Nov 15, 2023

Can a rhombus have right angles?

Yes, a square is a special case of a rhombus with right angles.

Nov 15, 2023

Is every rectangle a parallelogram?

Yes, every rectangle is a type of parallelogram.

Nov 15, 2023

How do you find the area of a parallelogram?

By multiplying the base by the height.

Nov 15, 2023

Is a diamond shape a rhombus?

Yes, a diamond is typically a rhombus.

Nov 15, 2023

How do you find the area of a rhombus?

By multiplying the lengths of the diagonals and dividing by two.

Nov 15, 2023

Does a rhombus have any axes of symmetry?

Yes, along its diagonals.

Nov 15, 2023

What are the angle properties of a parallelogram?

Opposite angles are equal, and consecutive angles sum to 180 degrees.

Nov 15, 2023

Are the sides of a rhombus always equal?

Yes, in a rhombus, all sides are of equal length.

Nov 15, 2023

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About Author

Written by

Shumaila Saeed, an expert content creator with 6 years of experience, specializes in distilling complex topics into easily digestible comparisons, shining a light on the nuances that both inform and educate readers with clarity and accuracy.

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