Geometry

Question Analysis

Since all side lengths (, , ) of the triangle are given, we'll use Heron's formula to find its area.

 

Key Concept Explanation

Heron's Formula: For a triangle with side lengths , , , the area , where (semi - perimeter). This formula works when the lengths of all three sides are known.

 

Step - by - Step Solution

1. Calculate the semi - perimeter :

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