题目内容
(请给出正确答案)
[单选题]
已知地面上A点坐标为(XA=15m;YA=13m),B点坐标为(XB=11m;YB=10m)那么直线AB在第()象限。
A.1
B.2
C.3
D.4
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A.1
B.2
C.3
D.4
A.50.00
B.70.70
C.100.00
D.141.42
A.(1155.541,1121.525)
B.(1255.355,1114.322)
C.(1163.580,1115.793)
D.(1212.215,1554.321)
A.(436,673)
B.(473,636)
C.(364,527)
D.(327,564)
A.G90G00X140.0Y50.0Z-5.0
B.G90G00X140.0Y50.0Z-5.0;G01X90.0Y50.0F100.0;G01G42X90.0Y50.0D01F100.0;G03X-21.962Y20.0I60.0J0D01;G03X-21.962Y20.0R70.0
C.G90G00X140.0Y50.0Z-5.0
D.G90G00X140.0Y50.0Z-5.0;G91G42G01X90.0Y50.0D01F100.0;G91G42G01X-50.0Y0D01F100.0;G03X-21.962Y20.0R60.0;G03X-111.962Y-30.0I-60.0J0