A ladder of length 5 m is leaning against a vertical wall. The top of the ladder reaches a point 4.2 m above the ground.
Calculate the distance from the foot of the ladder to the wall.
Give your answer to 1 decimal place.
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.