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1.13 J: Vectors

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Question 57

In triangle $A B C$ , $AB⃗=2i+5j\vec{AB} = 2\mathbf{i} + 5\mathbf{j}$ and $AC⃗=7i+7j\vec{AC} = 7\mathbf{i} + 7\mathbf{j}$ .

Show that $ABC\,$ is an isosceles triangle.

[3]

Markscheme

1.13 J: Vectors Questions

A Level
Maths
1.13 J: Vectors

168 exam-style questions on AQA A Level Maths 1.13 J: Vectors, covering 1.13.1 Vectors in two and three dimensions, 1.13.2 Magnitude and direction of a vector, 1.13.3 Vector arithmetic, 1.13.4 Position vectors, and 1.13.5 Vectors to solve problems. Each one has a worked solution and a mark scheme showing where the marks go.

1.13 J: Vectors

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1.13 J: Vectors

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Question 57

In triangle $A B C$ , $AB⃗=2i+5j\vec{AB} = 2\mathbf{i} + 5\mathbf{j}$ and $AC⃗=7i+7j\vec{AC} = 7\mathbf{i} + 7\mathbf{j}$ .

Show that $ABC\,$ is an isosceles triangle.

[3]

Markscheme

1.13 J: Vectors Questions

A Level
Maths
1.13 J: Vectors