A ship leaves point A and sails for 4.5 km due North.
The ship then sails for 2.0 km due East to reach point B.
Calculate the shortest distance between point A and point B.
Give your answer correct to 1 decimal place.
90 exam-style questions on OCR GCSE Maths Pythagoras. Each one has a worked solution and a mark scheme showing where the marks go.