The diagram shows a shape ABCD ABCD\,ABCD where AB AB\,AB is parallel to DCDCDC.

AB=24AB = 24AB=24 cm, AD=10AD = 10AD=10 cm, and DC=25DC = 25DC=25 cm.
Calculate the length of BCBCBC.
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.