Geometry & Shapes (id: 3b991081a)

本题目来源于试卷: Geometry & Shapes，类别为 IB数学

[填空题]
In a triangle $ \mathrm{ABC}$, $\mathrm{AB}=12 \mathrm{~cm}$ and $ \mathrm{AC}=15 \mathrm{~cm}$ . The area of the triangle is 80 $\mathrm{~cm}^{2}$ .
1. Find the two possible values for BÂC.≈      
2. Given that BÂC is obtuse, find BC.≈    cm

参考答案:
空格1: {62.7|117}±2%  空格2: {62.7|117}±2%  空格3: 23.1±2% 


本题详细解析:

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