In triangle ABCABCABC, AB⃗=4i+6j\vec{AB} = 4\mathbf{i} + 6\mathbf{j}AB=4i+6j, AC⃗=10i+10j\vec{AC} = 10\mathbf{i} + 10\mathbf{j}AC=10i+10j
Find the vector BC⃗\vec{BC}BC
Find the length of the line AB AB\,AB and hence show that triangle ABC ABC\,ABC is isosceles
284 exam-style questions on Edexcel A Level Maths Vectors, covering 11.1 Vectors, 11.2 Representing Vectors, 11.3 Magnitude and Direction, 11.4 Position Vectors, 11.5 Solving Geometric Problems, and 11.6 Modelling with Vectors. Each one has a worked solution and a mark scheme showing where the marks go.