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

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 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 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, 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 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 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⊥ 在Rt三角形ABC中∠ACB=90°,CD⊥AB,垂足为点D,设BC=a,AC=b,AB=c,CD=h,试说明1/a&s