iamhappy

oh no! Alan, it is blocked by moderator! :(

Yeah, and because of that, I am quite confused how to find e2

Alan, can you explain more how you got from second to last step to the answer? I don't seem to quite understand. :( I do understand the beginnning and middle though. Good reasoning!!! 

Thank you Alan!!! :)

I searched up, and this was actually posted before, and guest used the same answer both times. The other one has four thumbs down for guest which I do not clearly understand since guest must have spent a bit of effort into the answer. 

thank you guest for your effort and time, but I think that (2,3) may be wrong. I don't know what is wrong with it, since I think that the reasoning is quite clear, but I will take a few moments to see what could be wrong with it.

no problem!!!

I mean, as you can see he did almost the same approach as you, gwenspooner85, so I think you should be able to decipher his thinking

To be honest with you, geometry is not my game, so I will not try. (I am willing to, but it may be wrong anyways.) Instead of having a sloppy answer by me, check out this answer by CPhill, since this problem has been posted before. 

CPhill answered very well, and it was quite easy to follow along : https://web2.0calc.com/questions/help-quick-plz_2 

oh okay thank you! I am going to look at the answers to understand it. thank you! I shouldn't have reposted.