在清明节来临之际,王亮的父亲带王亮自驾车回老家祭拜先祖.用如图所示的方式表示他们回老家的两条路线.设王亮家在A处,老家在D处.第一条是从家出发先向东行驶到达B处,再沿B处的北偏东
方向行驶到达老家D处;第二条是从家向正北方向行驶
到达C处,再沿C处的北偏东
方向到达老家D处.已知车速相同,请说明选择哪条路能更快回到老家.(参考数据:
,
,
)
更新时间:2024-03-23 09:07:25
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名校
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