# Solving two dimensional vector problems

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##### Intros

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##### Examples

###### Lessons

**Use the law of sines to solve triangles****Use the law of cosines to solve triangles****Solve a vector word problem using the laws of sines and cosines**

To get to school, Pauline leaves her house and walks due east 1.40 km, then takes a shortcut by walking 0.650 km [35° S of E] through a park. Find her displacement from home to school.

**Solve a difficult vector triangle using geometry**

Solve the equation $\vec{A} + \vec{B} = \vec{C}$.