A sail boat sails `2km` due east, `5km 37^(@)` south of east, and finally an unknown displacement. If the final displacement of the boat from the starting point is `6km` due east,determine the third displacement.
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مقاطع الفيديو ذات الصلة على A sail boat sails `2km` due east, `5km 37^ (@)` south of east, and finally an unknown: