DDD, F F\,F and G G\,G are points on the circumference of a circle, centre OOO. HGI HGI\,HGI is a tangent to the circle at point GGG.
Angle DFG=66∘DFG = 66^\circDFG=66∘ Angle DGF=62∘DGF = 62^\circDGF=62∘ Angle IGD=x∘IGD = x^\circIGD=x∘
Find the value of xxx.
Give reasons for each stage of 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.