Difference Between Square and Rhombus

A square and a rhombus are both types of quadrilaterals, but they have distinct characteristics that set them apart. Here are the key differences between a square and a rhombus:

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1. Definition:

Square: A square is a quadrilateral with four equal sides and four right angles (90-degree angles).

Rhombus: A rhombus is a quadrilateral with four equal sides but does not necessarily have right angles.

2. Angle Measurements:

Square: All angles in a square are right angles (90 degrees).

Rhombus: The angles in a rhombus are not necessarily right angles. They can be acute (less than 90 degrees) or obtuse (greater than 90 degrees).

3. Symmetry:

Square: A square has both line and rotational symmetry. It has four lines of symmetry and rotational symmetry of order 4 (meaning it can be rotated by 90 degrees multiple times and still look the same).

Rhombus: A rhombus has only rotational symmetry of order 2 (meaning it can be rotated by 180 degrees and still look the same). It does not have line symmetry.

4. Diagonals:

Square: The diagonals of a square are equal in length and bisect each other at right angles.

Rhombus: The diagonals of a rhombus are unequal in length and bisect each other at equal angles but not necessarily right angles.

In summary, while both a square and a rhombus have four equal sides, the square has right angles and additional symmetry properties, whereas the rhombus does not necessarily have right angles and has fewer symmetry properties.

What is the Difference Between Square and Rhombus?

Here are the major differences between the square and Rhombus.

Properties

Square

Rhombus

Shape

Four equal sides

Four equal sides

Angles

Four right angles (90 degrees each)

Four equal angles (not necessarily 90 degrees each)

Diagonals

Two diagonals are equal in length and bisect each other at right angles

Two diagonals are equal in length and bisect each other at opposite angles

Symmetry

Has both rotational symmetry and reflection symmetry

Has only reflection symmetry

Special Properties

All sides and angles are congruent

Opposite angles are congruent; diagonals are perpendicular and bisect each other

Examples

Chessboard square, window pane

Diamond shape, kite shape

How is a Square Different from a Rhombus?

A square and a rhombus are both types of quadrilaterals, which means they have four sides. However, there are some key differences between the two shapes:

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Side Lengths: In a square, all four sides are equal in length. Each side of a square is parallel to the opposite side, and the opposite sides are also parallel to each other. In a rhombus, all four sides are also equal in length, just like a square. However, the sides of a rhombus are not necessarily parallel to each other.

Angles: In a square, all four interior angles are right angles, which means they measure 90 degrees each. The sum of the interior angles in a square is always 360 degrees. In a rhombus, the opposite angles are congruent, meaning they have the same measure. However, the angles in a rhombus are not necessarily right angles.

Diagonals: In a square, the diagonals are always equal in length and bisect each other at right angles, dividing the square into four congruent right triangles. In a rhombus, the diagonals also bisect each other, but they are not necessarily perpendicular or equal in length.

To summarise, a square is a special type of rhombus where all sides are equal in length, and all angles are right angles. A rhombus, on the other hand, has all sides equal in length, but its angles are not necessarily right angles.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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