A right-angled triangle is shown. The hypotenuse is labeled 20 mm and the side adjacent to the angle w∘ w^\circ\,w∘ is labeled 13 mm. The right angle is clearly marked.

Work out the value of www.
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.