⭐️ Check out our website ⭐️ *** WHAT'S COVERED *** 1. Definitions and identification of key parts of a circle. * Circumference (C). * Diameter (D). * Radius (r). 2. Formulas for calculating the area and circumference of a circle. 3. Step-by-step calculations for area and circumference using worked examples. * Calculating area and circumference when the radius is known. * Calculating area and circumference when the diameter is known. *** 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 in your course *** CHAPTERS *** 0:00 Intro & Key Parts of a Circle 0:51 Formulas for Area and Circumference 1:44 Example 1: Calculating Area (Given Radius) 2:53 Example 1: Calculating Circumference (Given Radius) 3:54 Example 2: Calculating Area (Given Diameter) 4:35 Example 2: Calculating Circumference (Given Diameter) *** PLAYLISTS *** #GCSE #KS3 #Maths #study #revision #school #exam #AQA #OCR #Edexcel #IGCSE #IB #AP