单项选择题
绘制如图所示图形,求角A为()
A.18.69B.21.14C.24.82D.26.78
A.X=148.2003,Y=61.8007B.X=138.0823,Y=71.8709C.X=113.0823,Y=91.8092D.X=98.0228,Y=171.008
A.定位法B.拉伸法C.强制法D.拖拉法