Скачать или смотреть How to Find Area of Triangle with Inradius – Geometry Formula

Learn a simple yet powerful geometry trick to calculate the area of a triangle when a circle is inscribed inside it. This method avoids long calculations and works with any triangle — acute, obtuse, or right-angled.
The formula:
Area=12×𝑟×(𝑎+𝑏+𝑐)Area= 1/2 × r ×(a+b+c)
where:
Perfect for:


By the end, you’ll understand the relationship between the triangle’s perimeter and inradius for quick area calculation.

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