如圖3-3所示,A、B兩點的坐標分別為(20m,40m)、(40m,40m),實測兩已知點到待測點P的距離D1、D2分別為12m、10m,D為20m。則由距離交會法確定的待測點P的坐標為()。
A.(25m,35.4m) B.(25m,43.Sm) C.(28.9m,43.5m) D.(28.9m,35.4m)
A.(10m,15m) B.(15m,25m) C.(20m,30m) D.(25m,35m)
如圖3-1,已知A(100m,100m)、B(200m,200m),方位角α=45°。測量A點到P的水平距離D=38m,觀測水平角β=52°。由極坐標法計算界址點P的坐標,其結果是()。
A.(126.87m,126.87m) B.(123.40m,129.94m) C.(95.37m,137.73m) D.(195.37m,237.72m)