The diagram shows a framework of two right-angled triangles ABC ABC\,ABC and ACDACDACD.
AB=30 mAB = 30\text{ m}AB=30 m, BC=24 mBC = 24\text{ m}BC=24 m and CD=11 mCD = 11\text{ m}CD=11 m.
Calculate the length of ADADAD.
Give your answer to 3 significant figures.
Pythagoras Questions
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.