已知Rt△ABC中,AC=3,BC= 4,过直角顶点C作CA1⊥AB,垂足为A...
已知Rt△ABC中,AC=3,BC= 4,过直角顶点C作CA1⊥AB,垂足为A...
已知Rt△ABC中,AC=3,BC=4,过直角顶点C作CA1⊥AB,垂足为A1,
如图.已知Rt△ABC中,AC=3,BC=4,过直角顶点C作CA1⊥AB,垂足为A1,再过A1作A1C1⊥BC,垂足为C
如图,已知Rt△ABC中,AC=3,BC=4,过直角顶点C作CA1⊥AB,垂足为A1,再过A1作A1C1⊥BC,垂足为C
如图,已知Rt△ABC中,AC=3,BC=4,过直角顶点C作CA1⊥AB,垂足为A1,再过A1作A1C1⊥BC,垂足为C
已知Rt△ABC中,AC=3,BC= 4,过直角顶点C作CA1⊥AB,垂足为A1,再过A1作A1C1⊥BC
初二相似图形应用题如图,已知RT△ABC,AC=3,BC=4,通过直角顶点C作CA1⊥AB,垂足为A1;再过A1作A1C
已知,在RT三角形ABC中,∠ACB=90'AC =6,BC=8过直角顶点C做CA1⊥AB垂足为A
如图,已知直角三角形ACB,AC=3,BC=4,过直角顶点C作CA1⊥AB,垂足为A1,再过A1作A1C1⊥BC,垂足为
如图,已知直角三角形ABC中,∠ACB=90°,AC=3,BC=4,过直角顶点C作CA1⊥ABm,垂足为A1,
一道代数题.如图,已知直角三角形ACB,AC=3,BC=4,过直角顶点C作CA1⊥AB,垂足为A1,再过A1作A1C1⊥
Rt△ABC的直角顶点B在直线PQ上,且AB=BC,过A.C分别作PQ的垂线AD.CE,垂足为D.E求证:DE=AD+C