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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asked by Dani
  1. are the two triangular bases OAB and CDE?
    and the three lengths OC, AD and BE?

  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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