EPISODE · Aug 20, 2026 · 3 MIN
Navy OAR Exam Prep 20, Circles Polygons and Coordinate Geometry
from Military Exam Prep
This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to distinguish between circle area and circumference formulas and avoid the common diameter-radius trap. - The critical difference between a central angle and an inscribed angle and how it impacts arc measurement. - The formula for the sum of interior angles in a polygon and how to find a single angle in a regular polygon. - A mental shortcut to differentiate the complex distance formula from the simpler midpoint formula on the coordinate plane. - The step-by-step process for determining the equation of a line (y=mx+b) when given only two points. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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Navy OAR Exam Prep 20, Circles Polygons and Coordinate Geometry
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