两点坐标增量为ΔxAB=+ 42. 567m和ΔyAB=-35. 427m,则方

tikufree2019-12-17  16

问题 两点坐标增量为ΔxAB=+ 42. 567m和ΔyAB=-35. 427m,则方位角aAB和距离DAB分别为:

选项 A. -39°46'10",55. 381mB. 39°46'10",55. 381mC. 320°13'50",55. 381mD. 140°13'50",55. 381m

答案C

解析[img]/upload/tiku/212/2836338_1.jpg[/img]
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