492 A座標(X,Y)=(100,100),B座標(X,Y)=(900,300),P座標(X,Y)=(50,400)下列何者正確
(A)AB距離824.62m
(B)AB方位角57˚57'50"
(C)AP距離303.14m
(D)AP方位角9˚20'44"
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統計: A(16), B(0), C(2), D(1), E(0) #3066857
統計: A(16), B(0), C(2), D(1), E(0) #3066857