Area, Arc and Sector Problems: Four Worked Solutions

Four worked problems on areas and arcs: sector and segment of a flower bed, a triangular field with Heron's formula, the area swept by a wiper, and a cone made from a sector. In this video: Problem 5: arc, sector and segment Problem 6: largest angle and area of a field Problem 7: area swept by a windscreen wiper Problem 8: a cone from a paper sector Checks with second methods For students in grades 11 and 12 who want to practise with full explanations. Chapters 0:00 Overview 0:15 Game plan 0:34 Problem 5: the flower bed 2:17 Problem 6: the field 3:59 Problem 7: the wiper 5:11 Problem 8: the paper cone 6:51 Recap Course: Mathematics, Grade 11-12 · Mathematics, Grade 11-12: Geometry and Trigonometry The 60-second version:    • Cone from a sector: find its volume #Shorts   Narration: synthetic (text-to-speech) voice. #SectorProblems #WorkedExamples #MathsRevision