# Maths

OABCDE is a right triangular prism with OA = 2units , OD= 2units and AB = 4 units. The unit vectors i,j and k are parallel to OA,OD and OC respectively.
a) Find the unit vector parallel to DB.

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3. 👁 87
1. are the two triangular bases OAB and CDE?
and the three lengths OC, AD and BE?

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2. the bases are OAB and OCB. and the lengths are OD , AD and BE

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posted by Dani
3. Sorry. In a prism, the bases are parallel and thus do not intersect. Points O and B cannot possibly be in both bases.

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