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# Calculate The Perimeter Of A Right Trapezium/Trapezoid

Last updated: Saturday, June 24, 2023
Select a specific type of trapezium/trapezoid below
Basic
Isosceles Trapezium
Right Trapezium

The perimeter of a right trapezium, also known as a right trapezoid, is the sum of the lengths of its four sides.

A right trapezium is a four-sided figure with two parallel sides and two non-parallel sides, where one angle is a right angle (90 degrees).

Real-life examples of right trapeziums include the shape of many roofs, where the top part is wider than the bottom, such as in a typical house roof. It can also be seen in the shape of some architectural features, like windows or doorways with a sloped or angled top.

The formula for determining the perimeter of a right trapezium/trapezoid is defined as:
$$P$$ $$=$$ $$AB$$ $$+$$ $$BC$$ $$+$$ $$CD$$ $$+$$ $$AD$$
$$P$$: the perimeter of the trapezium/trapezoid
$$AB$$: the length of side AB
$$BC$$: the length of side BC
$$CD$$: the length of side CD
$$AD$$: the length of side AD
The SI unit of perimeter is: $$meter\text{ }(m)$$

## Sides Given

Use this calculator to determine the perimeter of a right trapezium/trapezoid when the lengths of its sides are given
Hold & Drag
CLOSE
the length of side AB
$$AB$$
$$meter$$
the length of side BC
$$BC$$
$$meter$$
the length of side CD
$$CD$$
$$meter$$
$$AD$$
$$meter$$
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