Welcome to Unit 11 of your 10th-grade mathematics course, where we delve into the fascinating world of “Chords and Arcs.” In this unit, we will embark on a mathematical journey that explores the fundamental concepts of geometry and trigonometry, as they relate to circles and their components. Understanding chords and arcs is not only essential for acing your exams but also for grasping the intricate beauty of geometry in the real world, where circles play a crucial role in various applications. So, fasten your seatbelts as we unravel the mysteries of chords and arcs, unlocking the secrets hidden within the elegant realm of circles.