Find the area of ​​a triangle calculator​

Triangle Area Calculator | Instant Results & Geometry Guide

Triangle Area Calculator

Triangle Area Formula

The fundamental formula for calculating triangle area is:
Area = ½ × base × height
This formula works for all triangle types when height is known. For triangles without known height, use Heron's formula: √[s(s-a)(s-b)(s-c)] where s = (a+b+c)/2