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Triangle law: \( \overrightarrow{AB} + \overrightarrow{BC} = \overrightarrow{AC} \). It is the main tool in every proof here.
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Triangle law: \( \overrightarrow{AB} + \overrightarrow{BC} = \overrightarrow{AC} \). It is the main tool in every proof here.
10 more points to remember - sign in to see the rest.