A right-angled triangle is shown. The hypotenuse is labeled 15 cm and the side opposite the angle y∘ y^\circ\,y∘ is labeled 9 cm. A right angle is indicated at the vertex opposite the hypotenuse.

Work out the value of yyy.
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.