# Area of triangle by coordinates

This calculator determines the area of a triangle using its vertex coordinates in the cartesian coordinate system.

### This page exists due to the efforts of the following people:

#### Michele

Created: 2011-06-19 12:04:20, Last updated: 2020-11-28 11:35:28

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This calculator determines the area of a triangle using its vertex coordinates in the cartesian coordinate system. It was created by user request. The task is simple - first, determine lengths of edges, then use the Heron formula to find the triangle area.
For Heron formula, see Heron's formula calculator.

For cartesian coordinate systems the lengths are calculated as follows
$p=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2+(z_1-z_2)^2}$
For triangle on a plane let z coordinate to remain zero

#### Area of triangle by coordinates

Digits after the decimal point: 2
Area of triangle

Perimeter of triangle

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