∵∠C=90°,AC=8,BC=6
∴勾股定理:AB=10
做DE⊥AB于E
∵AD平分∠BAC,DE⊥AB,DC⊥AC(∠ACD=∠ACB=90°)
∴CD=DE
S△ACD+S△ABD=S△ABC
1/2CD×AC+1/2DE×AB=1/2×AC×BC
CD(AC+AB)=AC×BC
CD(8+10)=8×6
CD=8/3
∵∠C=90°,AC=8,BC=6
∴勾股定理:AB=10
做DE⊥AB于E
∵AD平分∠BAC,DE⊥AB,DC⊥AC(∠ACD=∠ACB=90°)
∴CD=DE
S△ACD+S△ABD=S△ABC
1/2CD×AC+1/2DE×AB=1/2×AC×BC
CD(AC+AB)=AC×BC
CD(8+10)=8×6
CD=8/3