What is a Trapezoid?

Trapezoid is a polygon with only one pair of parallel sides. These parallel sides are also called the parallel base of the trapezoid. The other two sides of the trapezoid are not parallel and are called the legs of the trapezoid. One school of mathematics asserts that a trapezoid can have a pair of parallel sides, while another school of mathematics maintains that a trapezoid can have more than one pair of parallel sides. Considering the second definition, a parallelogram is also trapezoidal accordingly. However, the first definition does not consider a parallelogram a trapezoid.

How to find the Perimeter of a Trapezoid?

Perimeter of the Trapezoid in Geometry is the sum of all the sides of the trapezoid. It is the length of all its boundaries and is measured in units of length, i.e. perimeter of the trapezoid is measured in cm, m, etc. A trapezoid is a quadrilateral that has a pair of parallel sides (lines). It is a quadrilateral whose perimeter is the sum of all the sides of a quadrilateral.

Here, in this article, we will learn about, What is a Trapezoid, the Perimeter of the trapezoid, the perimeter of the trapezoid formula, examples, and others in detail.

Table of Content

  • What is a Trapezoid?
  • What is the Perimeter Of Trapezoid?
  • Perimeter of Trapezoid Formula
  • How to Find Perimeter of a Trapezoid?
  • Perimeter of a Trapezoid with a Missing Side

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What is a Trapezoid?

Trapezoid is a polygon with only one pair of parallel sides. These parallel sides are also called the parallel base of the trapezoid. The other two sides of the trapezoid are not parallel and are called the legs of the trapezoid. One school of mathematics asserts that a trapezoid can have a pair of parallel sides, while another school of mathematics maintains that a trapezoid can have more than one pair of parallel sides. Considering the second definition, a parallelogram is also trapezoidal accordingly. However, the first definition does not consider a parallelogram a trapezoid....

What is the Perimeter Of Trapezoid?

The perimeter of a trapezoid is equal to the sum of the lengths of the sides of the trapezoid. The formula for the perimeter of a trapezoid is as simple as the sum of the lengths of its four sides....

Perimeter of Trapezoid Formula

Perimeter of the trapezoid formula is the sum of all the sides of the trapezoid. The formula that gives the perimeter of the trapezoid is given as,...

How to Find Perimeter of a Trapezoid?

The perimeter of a trapezoid can be calculated by following these steps:...

Perimeter of a Trapezoid with a Missing Side

The perimeter of a trapezoid can be calculated even if there are not enough sides. In such cases, you can use the given sides of the trapezoid, apply the Pythagoras theorem and other properties to find the missing sides, and then calculate the perimeter....

Examples on Perimeter of Trapezoid

Example 1: If the perimeter of the trapezoid is 60 units and the three sides are 10 units, 25 units, and 12 units, respectively, use the trapezoidal formula to find the size of the fourth side....

Practice Questions on Perimeter of Trapezoid

Q1. Find the perimeter of the trapezoid with base sides 8 cm and 22 cm and non parallel sides 11 cm and 19 cm....

Perimeter of Trapezoid – FAQs

1. What is a Trapezoid?...