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Problem solving - arcs and sectors

Solve problems involving arcs and sectors

4 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 4–8 Core 🇬🇧 UK

Sectors - GCSE Maths

1st Class Maths 126K views

Clear UK walkthrough of sector area, arc length, perimeter and finding a missing angle.

Jump to 0:51Calculating the area of a sector 2:53Calculating the arc length 4:32Example 1 - Calculating area/arc length 5:22Example 2 - Calculating perimeter 6:36Example 3 - Giving answers in terms of pi 8:18Example 4 - Calculating a missing angle

Grade 4–7 Core 🇬🇧 UK

GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) (2026/27 exams)

Cognito 347K views

Fast, tidy UK explainer building the sector area and arc length formulas from fractions of a circle.

Jump to 0:39Area of Sector & Arc Length Formulas 1:08Understanding the Formulas (Fraction of a Circle)2:10Example 1: Calculating Area & Arc Length 3:29Example 2: Calculating Area & Arc Length 3:55Exam Question Example

Grade 5–8 Core 🇬🇧 UK

Lengths of Arcs and Areas of Sectors - GCSE

Dr Frost Maths 29K views

UK video covering sectors plus the reverse problems: angle given area and area given arc length.

Jump to 1:46Area of a sector 3:12Arc length 3:57Perimeter of a sector 5:21Angle given area 7:02Area given arc length

Grade 6–9 Core 🇬🇧 UK

Circle Sectors - Areas and Arc Lengths | Grade 6+ Series | GCSE Maths Tutor

The GCSE Maths Tutor 152K views

Higher-tier UK revision of sector strategies for grade 6-plus arc and area problems.