A community for students.
Here's the question you clicked on:
 0 viewing
eroshea
 3 years ago
An isosceles triangle ABC, in which AB=BC=6 root 2 and AC=12 is folded along the altitude BD so that planes ABD and BDC form a right dihedral angle. Find the angle between side AB and its new position.
eroshea
 3 years ago
An isosceles triangle ABC, in which AB=BC=6 root 2 and AC=12 is folded along the altitude BD so that planes ABD and BDC form a right dihedral angle. Find the angle between side AB and its new position.

This Question is Closed

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1could you draw a bit of figure?

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0i can't .. that is my problem, too..

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1353425869624:dw

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1353426012864:dw

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0so what i'm going to find is the theta??

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0Find the angle between side AB and its new position. what does this mean?

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1i guess that's the angle you are going to find ... can you find it?

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0i need further solution/explanation

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1353426445410:dw

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1\( \theta \) will be half of \( \alpha \)

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0the book's answer is 60 degrees.. but i find it 45 degrees.. how did it ended up with 60?

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1yep .. should be around like that if you did it properly!!

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0aawww. can you explain it ?

experimentX
 3 years ago
Best ResponseYou've already chosen the best response.1looks like you did it right http://www.wolframalpha.com/input/?i=12^2+%3D+2%286+sqrt%282%29%29^2++2+*+%286+sqrt%282%29%29^2+cos%28x%29

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.0b^2 = a^2 + c^2  2ac cos theta that is cosine law right? and the answer is 90 degrees
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.