发布网友 发布时间:2024-10-03 01:41
共1个回答
热心网友 时间:9分钟前
DEA-DOA全等,CDE-ABE相似
设DE = DO = y
CD/CE=BE/BA = (10-CE)/8
8CD = 10CE-CE^2
CD = 8-y
8^2 + (10-CE)^2 = 10^2
CE = 4
CD = 3
DE: y = 3x/4 + 5
热心网友 时间:1分钟前
DEA-DOA全等,CDE-ABE相似
设DE = DO = y
CD/CE=BE/BA = (10-CE)/8
8CD = 10CE-CE^2
CD = 8-y
8^2 + (10-CE)^2 = 10^2
CE = 4
CD = 3
DE: y = 3x/4 + 5