A right-angled triangle ABC ABC\,ABC is shown. The right angle is at point DDD, where the altitude BD BD\,BD meets the base ACACAC.

Work out the size of angle BCDBCDBCD. Give your answer to 1 decimal place.
41 exam-style questions on AQA GCSE Maths SOHCAHTOA (Trigonometry). Each one has a worked solution and a mark scheme showing where the marks go.