G G\,G and H H\,H are points on a circle, centre OOO. TG TG\,TG and TH TH\,TH are tangents to the circle from point TTT.
Angle GTH=66∘GTH = 66^\circGTH=66∘
Work out the size of angle GOHGOHGOH. You must show all your working.
Practise OCR GCSE Maths Circle Theorems with exam-style questions for Foundation and Higher tier. 72 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.