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OpenStudy (anonymous):
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.
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OpenStudy (experimentx):
could you draw a bit of figure?
OpenStudy (anonymous):
i can't .. that is my problem, too..
OpenStudy (experimentx):
|dw:1353425869624:dw|
OpenStudy (experimentx):
|dw:1353426012864:dw|
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