## What is a rectangle?

The rectangle is a basic shape with four straight sides and four
right angles. It is a parallelogram, and its opposite sides are
parallel and equal in length. A rectangle with four sides of
equal length is a square. The term rectangle comes from the
Latin rectangulus, which is a combination of rectus and angulus.
A rectangle with four sides of equal length and angles of equal
measure is a square. The term "rectangle" is also used to refer
to a non-square rectangle. A non-square rectangle is usually
referred to as a rectangle with the number included, such as a
10 by 20 rectangle.

A rectangle is a quadrilateral with four right angles. It is one
of the basic, primitive shapes in geometry. The perimeter of a
rectangle is the distance around it, and the area is the amount
of space it takes up. The formula for the area of a rectangle is
length x width, and the formula for the perimeter is sum of the
lengths of the sides.

### Rectangle formula 💡:-

###
How to use this Rectangle calculator

Rectangle calculator is a tool with the help of which you can
calculate the area of a rectangle, diagonal of a rectangle and
perimeter of a rectangle. Enter the length of the rectangle and
the width of the rectangle and click on the 'calculate' button.
You will get the answer with the formula of a rectangle in the
answer box.

###
Properties of a rectangle

☉ Opposite sides of a rectangle are equal in length, and
the two angled sides on the parallelogram are each equal in
length to its base.

☉ A rectangle is a four-sided object that has exactly
90-degree angles at each of its corners

☉ In a rectangle, because a diagonal bisects the rectangle
into two congruent triangles, those two triangles will also be
congruent to each other.

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