Secant-Secant Angle Theorem: Geometry Half Difference Formula Explained

Описание: Learn how to find the angle formed by two secants intersecting outside a circle! 📐

In this geometry tutorial, we break down the 'Half Difference of Arcs' theorem step-by-step. Perfect for beginners and students preparing for math exams.

What you will learn:
🔹 Definition of a Secant Line
🔹 Identifying Major (Far) and Minor (Near) Arcs
🔹 The Secant-Secant Angle Formula
🔹 A fully worked example problem
🔹 How to avoid common mistakes (Inside vs. Outside rules)

Master circle geometry with this clear, visual guide. Don't forget to practice the formula: Angle = (Far Arc - Near Arc) / 2.

Happy learning! 🎓✨

Chapters:
00:00 - Secant-Secant Angle
00:20 - What is a Secant?
00:41 - Two Secants Intersecting Outside
01:01 - Identify the Intercepted Arcs
01:23 - The Theorem
01:43 - Example Problem Setup
02:00 - Substitution
02:13 - Calculation
02:29 - Inside vs Outside
02:48 - Summary
03:07 - Outro

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