Lingkaran [Part 3] - Panjang Busur dan Luas Juring

Distance Learning Mathematics for Grade 8 Junior High School in 2020 - Circle [Part 3] - Arc Length and Sector Area Hello everyone, meet again with Mr. Benni.. Hopefully we are always healthy.. In this video, Mr. Benni discusses the material for grade 8 junior high school Chapter 7, namely Circles. Now this is Part 3, which specifically discusses Arc Length and Sector Area.. The main discussion is: #relationship between central angle and arc length #calculating arc length #relationship between central angle and sector area #calculating sector area Hopefully this is useful, especially for Distance Learning (PJJ) during the COVID-19 pandemic Answer key to the last question: 1. arc length = 33 cm 2. radius = 40 cm Keep Studying & Stay Healthy Ciao... Benni Al Azhri