ΔADB∽ΔCEAが証明できてるなら
AEをxとおいて
6:ｘ＝(19－ｘ): 10
60＝19ｘ－ｘ^2
ｘ^2－19ｘ＋60＝0
(ｘ－4)(ｘ－15)＝0
ｘ＝4,15
AD＞AEより
AD＝15 AE＝4
どうでしょう？
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
ΔADB∽ΔCEAが証明できてるなら
AEをxとおいて
6:ｘ＝(19－ｘ): 10
60＝19ｘ－ｘ^2
ｘ^2－19ｘ＋60＝0
(ｘ－4)(ｘ－15)＝0
ｘ＝4,15
AD＞AEより
AD＝15 AE＝4
どうでしょう？
Users viewing this question
are also looking at these questions 😉
