X1Y1X2Y2直线15.168-39.09-34.523-15.198-0.6020-35.9791直线2-16-45-13-1211.0000131.0000X1Y1X2Y2直线1-62.65-167.933-169.436-76.885-0.8526-221.3497垂线-164.105-182.1911.172910.2802坐标1坐标2求过已知直线外一点的垂线的垂足坐标编号已知两条直线的两端点坐标,求交点坐标2.当两条直线斜率相等时,相互平行,无交点编号注意:1.当其中一条直线两点X坐标相同时,注意请把这条直线点坐标输入直线1直线斜率b坐标1坐标2直线斜率b两端点距离X1Y1X2Y2L直线140918.74281097.68141021.78381148.29820114.802127直线2-75.708-2.51-166.04761.53890.878110.7397003直线3-8-46-1214.31782106直线4两端点距离X1Y1X2Y2L直线140918.74281097.68141021.78381148.29820114.802127直线2-75.708-2.51-166.04761.53890.878110.7397003直线3-8-46-1214.31782106直线4-20-56431669.02897942求已知端点坐标的直线上至其中一端点距离的点坐标(点在两端点之间)求已知端点坐标的直线上至其中一端点距离的点坐标(点在两端点之外)编号坐标1坐标2待求点至端点1距离坐标1坐标2编号待求点至端点1距离XYY=-0.601950064246303X+-35.9791220679751Y=11X+131XYY=-0.852621130110689X+-221.349713801435Y=1.17285387927247X+10.280185858009求过已知直线外一点的垂线的垂足坐标已知两条直线的两端点坐标,求交点坐标2.当两条直线斜率相等时,相互平行,无交点-14.392-27.316注意:1.当其中一条直线两点X坐标相同时,注意请把这条直线点坐标输入直线1直线方程交点坐标直线方程垂足坐标-114.358-123.845XY17.951061138.818129340936.6930681106.49913-74.1362638652.56068174-149.844263950.050681741.9556048280.419058177-6.044395172-3.580941823XY17.951061138.818129340900.7909481088.86287-74.1362638652.56068174-1.57173614-55.070681741.9556048280.419058177-9.955604828-4.419058177-12.516482319.96682850810.51648231-9.966828508求已知端点坐标的直线上至其中一端点距离的点坐标(点在两端点之间)求已知端点坐标的直线上至其中一端点距离的点坐标(点在两端点之外)△X△Y待求点坐标△X△Y