Triangle P P\,P has vertices at (1,2)(1, 2)(1,2), (1,5)(1, 5)(1,5), and (3,2)(3, 2)(3,2).
Reflect triangle P P\,P in the line y=xy = xy=x.
97 exam-style questions on Edexcel GCSE Maths Transformations. Each one has a worked solution and a mark scheme showing where the marks go.