# Online calculator. Perimeter of a triangle

This free online calculator will help you to find the perimeter of a triangle.

Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find triangle perimeter.

## Calculation of triangle perimeter

Enter length of triangle sides:

a = |

b = |

c = |

You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.

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