GCSE Maths - How to Find the Volume of a Frustum

⭐️ https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Understanding what a frustum is. 2. Method for calculating the volume of a frustum. 3. Finding the dimensions of the large and small cones. 4. Worked example. * Step-by-step calculation involving substitution into the volume formula. * Presenting the answer in terms of pi and rounded to significant figures. *** EXAM BOARD INFO *** This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your course A-level - Not on your course *** CHAPTERS *** 0:00 Intro: What is a Frustum? 0:12 Method: Volume of Large Cone - Volume of Small Cone 0:39 Formula for Cone Volume 0:55 Example Problem Setup 1:05 Finding Known Dimensions 1:25 Finding the Small Cone's Height 1:46 Using Similar Shapes & Scale Factor 2:22 Calculating the Small Cone's Radius 2:44 Calculating the Volumes 3:09 Subtracting Volumes for Final Answer *** PLAYLISTS *** https://youtube.com/playlist?list=PLidqqIGKox7XPh1QacLRiKto_UlnRIEVh&si=orIUwL3o2jOoiYjT https://youtube.com/playlist?list=PLidqqIGKox7X5UFT-expKIuR-i-BN3Q1g&si=DcihOwUkd9oWbbdp https://youtube.com/playlist?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W&si=Y8MsO-FK948jnxpS https://youtube.com/playlist?list=PLidqqIGKox7UVC-8WC9djoeBzwxPeXph7&si=-7i5Iq7yOeJrhtu6 https://youtube.com/playlist?list=PLidqqIGKox7VKJD2WxRhoKaI6JGLVean8&si=NH_Q1ujhVgACM2FU #GCSE #KS3 #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP