Paper 2 · Co-ordinate Geometry of the Line
⏱ Tested in 3 exam questions since 2022
Lesson 7 of 9
The Line 7 – Construction 16 – Circumcircle
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- Construct the circumcircle with compass and ruler using two perpendicular bisectors
- Predict the centre: inside (acute), midpoint of hypotenuse (right), outside (obtuse)
- Compute the circumcentre by solving two perpendicular-bisector equations simultaneously
- Spot a right-angled triangle when the circumcentre lands on a side
Most recent exam questions
- 2024 P2 Q1(a)(iii) — deferred
- 2023 P2 Q1(c) — deferred
- 2022 P2 Q6(a)
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