首页 > 留学知识库

问题: a,b,c是三角形ABC三边,对应的高分别是ha,hb,hc,若a:b:c=4:5:6,求ha:hb:hc

解答:

a*ha=b*hb=c*hc,a/b=hb/ha=4/5,hb=4/5ha.a/c=hc/ha=4/6=2/3,hc=2/3ha.ha:hb:hc=ha:4/5ha:2/3ha=15:12:10.