How to Find the Radius of a Circle in a Triangle | Geometry Problem Solved

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HowTo Education triangle geometry find radius in triangle inradius circumradius geometry problem math tutorial circle in triangle class 10 math math olympiad math challenge triangle circle radius

In this video, we solve a classic geometry problem involving a triangle and a circle! Learn how to find the radius of a circle either inscribed in or circumscribed around a triangle using formulas, diagrams, and a step-by-step approach. This is perfect for high school students, math competition prep, or anyone looking to sharpen their geometry skills.

We cover:

Important formulas (inradius r and circumradius 𝑅R)

How to apply them to real problems

Pro tips to avoid common mistakes

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