In the diagram, triangle ADC ADC\,ADC is right-angled at D D\,D and triangle ABC ABC\,ABC is right-angled at AAA. AD=6AD = 6AD=6 cm, DC=5DC = 5DC=5 cm and BC=11BC = 11BC=11 cm. AC AC\,AC is a common side to both triangles.
Calculate the length of ABABAB.
Give your answer to 3 significant figures.
Practise OCR GCSE Maths Pythagoras with exam-style questions for Foundation and Higher tier. 55 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.