two isosceles triangles acb and adb have a common base ab and their planes form an angle of 30. find the distance DE between the vertex D and the plane containing triangle acb if the height df of triangle adb is 16 cm

Question

anonymous · Answer

Why not try first to plot roughly a drawing of what is going on...

thomas5267 · Answer

What is e and f??????

thepotatoking81 · Answer

I have no clue. The main reason why is because I don't know math that well. :D

nerdgirl · Answer

These should help you out a little bit. :) https://ph.answers.yahoo.com/question/index?qid=20140213035658AAHJ75r and http://openstudy.com/study#/updates/50ab8bcae4b064039cbd8672