Geometry

Question Analysis

Since the lengths of all three sides of  (, , ) are known, 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). It's applicable when all side lengths are given.

Step - by - Step Solution

1. Calculate the semi - perimeter :

Let ,

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