Calculate The Perimeter Of A Triangle (All Types Of Triangles)

Select a type of triangle below

Basic

Right Triangle

Equilateral Triangle

Isosceles Triangle

Obtuse Triangle

Acute Triangle

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The perimeter of a triangle is the sum of the lengths of its three sides. It is an important measurement that is used in a variety of applications, such as construction, engineering, and geometry.

The perimeter of a triangle can also be used to calculate other properties of the triangle, such as its area and the lengths of its angles. It is a fundamental concept in geometry and is used extensively in mathematics and science.

The formula for determining the perimeter of a triangle regardless of its shape is defined as:

\(P\) \(=\) \(AB\) \(+\) \(BC\) \(+\) \(AC\)

\(P\): the perimeter of the triangle

\(AB\): the length between point A and B

\(BC\): the length between point B and C

\(AC\): the length between point A and C

The SI unit of perimeter is: \(meter\text{ }(m)\)

Select a problem below

Find \(P\)

Find \(BC\)

Length Unit Converter