A A\,A and C C\,C are points on the circumference of a circle, centre OOO. BC BC\,BC is a tangent to the circle.
Angle CAB=29∘CAB = 29^\circCAB=29∘
Find the size of angle ABCABCABC. You must show all your working.
59 exam-style questions on Eduqas GCSE Maths Circle Theorems. Each one has a worked solution and a mark scheme showing where the marks go.