## Characteristics of Square and Rectangle

You might have heard of the shapes: square and rectangle. In fact, if you look around, you are surrounded by squares and rectangles. But you might ask: What is the difference between a square and a rectangle? Visually, they might look similar. Both rectangles and squares have four straight sides. However, mathematically, the properties of a square and a rectangle are quite different. For example, a common difference is that squares have all equal sides while in a rectangle, only the opposite sides are equal.

A similarity between rectangles and squares is that they are both 2-dimensional figures. To understand the difference between square and rectangle, we need to first understand the concept of two dimensional shapes. In geometry, we generally deal with two-dimensional and three-dimensional shapes.

### What Are Two Dimensional Shapes?

A two-dimensional shape is defined as a flat figure. It is a plane figure which generally has two measurements: length and breadth. These figures do not have thickness or depth. For example, a paper sheet is two dimensional in shape and has a length and width but does not have height and depth. There are many different types of 2-D figures like rectangle, square, circle, hexagon and triangle. Both square and rectangle are two-dimensional shapes having length and breadth only.

2D figures can have different characteristics which can help us differentiate and define each shape separately. Both square and rectangle have different characteristics which help us differentiate between the two.

### What Is A Rectangle?

A rectangle is a two-dimensional figure with four sides. A rectangle is made of four straight lines that make a 90-degree angle. It is referred to as a quadrilateral. A quadrilateral is a plane figure with four sides. It has four angles, four sides and four vertices (the points where the edges meet). The figure below shows a rectangle with vertices A, B, C and D. The sides are AD, DC, CB and BA while the diagonals are AC and DB. The diagonals intersect at R.

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### What are the Characteristics of a Rectangle?

Opposite Sides are Parallel:

Any two opposite sides of a rectangle will be parallel. In the above case, AD and BC are parallel while AB and DC are parallel.

Opposite Sides are Equal:

The opposite sides of a rectangle are equal. In the figure, if AD is 5cm long, then the opposite side, i.e., BC is also 5cm long.

All the Angles are Right Angles, i.e., 90 Degrees:

In a rectangle, the angles formed by the sides are right angles. Hence, there are a total of four 90-degree angles. So ∠ADC,∠DCB, ∠CBA and ∠BAD are 90 degrees each.

Adjacent Angles are Supplementary:

Adjacent means a pair of angles which form on the same side of a straight line especially when one side is meeting or intersecting with another line. Adjacent angles of a rectangle are supplementary i.e., they add up to 180 degrees.

Diagonals are Equal:

Diagonals are straight lines which are drawn from one corner to the opposite corner. In the figure, BD and AC are the diagonals and are of the same length.

Diagonals Bisect Each Other:

The diagonals of a rectangle will intersect at a point where they will bisect each other. Bisecting means dividing a line into two equal halves. In the figure, AC and BD intersect at R, which divides the diagonals into halves. So, if AC and BD are 8cm each, AR, DR, CR and BR are all 4cm each.

### What is a Square?

A square is a quadrilateral with four sides. All of these four sides are equal. Similar to the rectangle, all the sides of a square meet at 90-degree angle. Let us look at the figure below:

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Here, there are four sides - AB, BC, CD and DA. The diagonals, in this case, are AC and BD.

### What Are The Characteristics of a Square?

Opposite Sides are Parallel:

In the above figure, AB and CD are parallel, while BC and AD are parallel to each other. In a square, opposite sites are always parallel.

All Sides are Equal:

All sides of a square are equal. For example, if AB is 5cm long, BC, CD and AD will also be 5cm long each.

All the Angles are Right Angles:

In a square, the angles formed by the sides are right angles. In the above figure, each of the angles - ∠ABC, ∠BCD, ∠CDA and ∠DAC are 90 degrees each.

Adjacent Angles are Supplementary:

In squares, adjacent angles are supplementary, i.e., they add up to 180 degrees. So in the above figure, for example, ∠BAD and ∠ADC angles add up to 180 degrees as they are adjacent angles.

Diagonals are Equal:

The diagonals of a square are equal to one another. In this case, the diagonals are BD and AC - which are both of equal length in squares.

Diagonals are Perpendicular Bisectors:

The diagonals BD and OC intersect at point O. For squares, they bisect each other at 90-degree angles, i.e., they are perpendicular bisectors.

You might wonder what the difference between rectangle and square is? Essentially, there are two basic differences when we compare square vs rectangle.

### What is the Difference Between a Rectangle and a Square?

The square and rectangle are also two-dimensional shapes which have 4 sides but slightly differ in some properties.

This is the basic difference between a rectangle and a square.

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## FAQs on Difference Between Square and Rectangle for JEE Main 2024

**1. Can a Square be a Rectangle?**

A square is a special case of a rectangle because it meets most of the characteristics of a rectangle. So, every square is a rectangle. However, every rectangle is not a square because all the sides in a square have to be of the same length. Plus, the diagonals of the rectangle bisect each other but do not meet at 90 degree, which is an important characteristic for squares. The diagonals of a rectangle cannot intersect at 90 degrees. If diagonals of a rectangle intersect at 90 degrees, then it will become a square, that is, all sides will become equal.

**2. Are Squares and Rectangles Parallelograms?**

Both square and rectangle are parallelograms. Parallelogram, by definition, is a flat shape with four connected parallel sides and the opposite sides are equal. So, by this definition, squares and rectangles are parallelograms and will match the characteristics of a parallelogram. A few properties of parallelograms are that the opposite sides and angles of a parallelogram are equal. If one angle turns out to be 90°, all the angles will become right angles as well (four angles will total to 360°). If the diagonals of the parallelogram are intersecting with one another, then they will bisect one another. Hence, all squares and rectangles are actually parallelograms.

**3. What are the properties of a square?**

The properties of square are as given below:

The opposite sides of the square cannot intersect each other and are always parallel.

All the sides of the square are equal and they measure the same.

The angles of the square are all right angles i.e. it is 90 degrees.

The angles that are present adjacently are supplementary which means they sum up to the value of 180 degrees.

The diagonals of the square are also of the same length and thus, equal.

Diagonals bisect each other and are perpendicular to one another.

**4. What are the properties of a rectangle?**

The properties of a rectangle can be defined as follows:

The opposite sides of the rectangle are parallel to each other and never intersect.

The opposite sides of the rectangle measure the same and are equal.

The angles of the rectangle are at right angles which means at 90 degrees angle.

The angles that are adjacent to each other are supplementary which means that when they are summed then they equal 180 degrees.

The diagonals of a rectangle are of the same length and are equal.

The diagonals bisect each other.

**5. What are the differences between square and rectangle?**

One of the major dissimilarities between a square and a rectangle is that the square has all the sides equal but in a rectangle only the opposite sides are equal. In squares, the diagonals of the square bisect each other perpendicularly. However, the diagonals of the rectangle do not bisect each other perpendicularly. The area of the square is given by side multiplied with its side whereas; the area of the rectangle is given by multiplying its length with its breadth.