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Geometry & MeasuresMedium Exam FrequencyAQAEdexcelOCRWJEC

Sectors & Arcs

Revise Sectors & Arcs in Geometry & Measures for GCSE Mathematics with 10 exam-style questions and 3 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

Study this topic

1

Pizza Slice Maths

Introduction2

Key Formulas

Key Facts3

Method: Sectors and Arcs

Deep Dive4

Worked Example: Sector Area

Notes

Sample Flashcards

Arc Length
Arc = (θ/360) × πd for angle θ
Sector Area
Area = (θ/360) × πr² for angle θ

Sample Questions

What is the correct formula for the arc length of a sector with radius r and angle θ (in degrees)?

  • A. (θ/360) × πr²
  • B. (θ/360) × 2πr
  • C. 2πr²θ/360
  • D. πr²θ
1 markfoundation

Explain how the arc length and sector area formulae are derived from the formulae for the full circle.

2 markshigher

10

exam-style questions

3

revision flashcards

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