sector area
What sector area means in Mathematics A-Level, as defined for WJEC.
Definition of sector area
Check what you remember
Read the wording for your board, then hide it and explain sector area in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Given by Area_sector = ½r²θ, with θ in radians.
Topics that use sector area
- Trigonometry (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- composite trigonometric arguments
- domain and range
- double angle formulas
- exact trigonometric values
- harmonic form
- inverse trigonometric functions
- mixed angle equations
- power reduction identities
Using sector area in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge