Line A passes through the points (1,5)(1, 5)(1,5) and (5,7)(5, 7)(5,7). Line B passes through the points (−1,7)(-1, 7)(−1,7) and (2,1)(2, 1)(2,1). Show that Line A and Line B are perpendicular.
204 exam-style questions on WJEC GCSE Maths Parallel and Perpendicular Lines. Each one has a worked solution and a mark scheme showing where the marks go.