Ok i'm dummy in math
Please explain the following steps for triangle!?
Why is 1 added on both sides in following steps....Check the link below :
http://i.imgur.com/0VkGEq1.png
https://i.imgur.com/9jVSnYK.png
Math Help!!?
2017-06-10 10:38 pm
回答 (2)
2017-06-10 11:09 pm
✔ 最佳答案
Below is the first one. The second one looks similar.AE/EC = AE'/E'C
Add 1 to both sides.
AE/EC + 1 = AE'/E'C + 1
AE/EC + EC/EC = AE'/E'C + E'C/E'C
(AE + EC)/EC = (AE' + E'C)/E'C
AC/EC = AC/E'C
EC = E'C
2017-06-10 10:48 pm
they lost me at the "therefore"; I don't see where that 2nd proportion came from
what book is that example from?
what book is that example from?
收錄日期: 2021-04-24 00:29:23
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170610143854AAlthrG