Circular segment area = sector − triangle

CAT has tested this idea 3 times across 3 papers, from 2017 to 2024. Solve one, and the others are the same method with different numbers or wording, which is why repeated concepts are the most efficient thing to practise.

QuestionWhat it asksAnswer
CAT 2024 Slot 3 · QA Q4chord subtending 120°; smaller regionC
CAT 2022 Slot 3 · QA Q18 near-repeatcircle on BC and circle at A; overlap areaB
CAT 2017 Slot 1 · QA Q17 near-repeatsame two circles; region between the arcsB

Part of Geometry (65 questions since 2017).