如图,15:00时,台风中心位于A市东300千米的B处,正以20千米每小时的速度向A市移动,与此同时,救援车队在A市北500米的C处,以100千米每小时的速度向A市行驶,问至17：00时,救援车队与台风中心相距多

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如图,15:00时,台风中心位于A市东300千米的B处,正以20千米每小时的速度向A市移动,与此同时,救援车队在A市北500米的C处,以100千米每小时的速度向A市行驶,问至17：00时,救援车队与台风中心相距多
如图,15:00时,台风中心位于A市东300千米的B处,正以20千米每小时的速度向A市移动,与此同时,救援车队在A市北500米的C处,以100千米每小时的速度向A市行驶,问至17：00时,救援车队与台风中心相距多远?
今晚就要，

如图,15:00时,台风中心位于A市东300千米的B处,正以20千米每小时的速度向A市移动,与此同时,救援车队在A市北500米的C处,以100千米每小时的速度向A市行驶,问至17：00时,救援车队与台风中心相距多
题目有误,救援车队在A市北500米的C处,应为“救援车队在A市北500千米的C处,”吧.
√【（300-20*2）²+（500-100*2）²】≈397千米

画出图像。可知2小时后救援队到达离A市300千米的D处，台风到达离A市260千米的E处连结DE 构成一个直角三角形再使用勾股定理求出DE距离即可

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