vectors

Question: If $|\overrightarrow A - \overrightarrow B |\, = \,|\overrightarrow A |\, = \,|\overrightarrow B |,\,$the angle between $\overrightarrow A $and $\overrightarrow B $ is



1) 60°
2) 0°
3) 120°
4) 90°
Solution: Explanation: Explanation
addition-subtraction-vectors

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