| Exam Board | OCR MEI |
| Module | Paper 1 (Paper 1) |
| Year | 2024 |
| Session | June |
| Topic | Circles |
15 The circle \(x ^ { 2 } + y ^ { 2 } + 2 x - 14 y + 25 = 0\) has its centre at the point \(C\). The line \(7 y = x + 25\) intersects the circle at points A and B .
Prove that triangle ABC is a right-angled triangle.