Circle Theorems Time Allowed: 27 minutes Score: / 21 Percentage: / 100 Grade Boundaries: A* A B C D E U > 88% 76% 63% 51% 40% 30% < 30% IGCSE Mathematics (0580) Page 1 of 6 IGCSE Mathematics (0580) Page 2 of 6 IGCSE Mathematics (0580) Page 3 of 6 IGCSE Mathematics (0580) Page 4 of 6 IGCSE Mathematics (0580) Page 5 of 6 IGCSE Mathematics (0580) Page 6 of 6