Formula of an Arc Length - Explained in Burmese скачать в хорошем качестве

Formula of an Arc Length - Explained in Burmese

In this video, we derive the formula for the arc length of a circle step by step using angle ratios and basic circle geometry. Instead of memorizing the formula, we focus on understanding where it comes from and why it works. We begin by recalling that the total circumference of a circle is given by 2πr, which corresponds to a full angle of 360°. By comparing a given central angle θ with the full angle, we use ratios to determine the length of the corresponding arc. This logical approach leads us naturally to the standard arc length formula: l = (2πr × θ) / 360° Throughout the video, the derivation is explained clearly and systematically, making it easier for students to follow and apply the concept in exams and real problem-solving situations. 🔹 Topics covered in this video: Meaning of arc length Relationship between angles and circumference Ratio method for derivation Final arc length formula explained 🎯 This video is especially useful for: High school students College beginners Competitive exam preparation Anyone who wants a strong conceptual foundation in geometry If you found this explanation helpful, don’t forget to like, share, and subscribe for more clear and concept-based mathematics videos.