VectorsVectors (id: 1ef4d1f7f)

本题目来源于试卷: VectorsVectors，类别为 IB数学

[填空题]
The following diagram vxm3sup0c+ 6/b/ryyunhh s54 ;n--5kpl) wg byl-ohbt - x70fwj46i8egfoqlshows the triangle ABC.

$\text{ Given that }\overrightarrow{\mathrm{BA}}\cdot \overrightarrow{\mathrm{BC}}=-6\text{ and }|\overrightarrow{\mathrm{BA}}||\overrightarrow{\mathrm{BC}}|=12\text{, find the area of triangle }\mathrm{ABC}\text{. }$   

参考答案: 5.2±2%


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