A A\,A and C C\,C are points on the circumference of a circle, centre OOO. AB AB\,AB and BC BC\,BC are tangents to the circle.
Angle ABC=46∘ABC = 46^\circABC=46∘
Find the size of angle OACOACOAC.
Give reasons for each stage of your working.
59 exam-style questions on AQA GCSE Maths Circle Theorems. Each one has a worked solution and a mark scheme showing where the marks go.