OABCDEFG is a parallelepiped. OA = a, OB = b, and OC = c. E F D C B b G O a A The vector OG can be written as a + b because: OG = OA+ AG and AG = OB then OG = OA + OB = atb Can you write the following vectors in terms of a, b, and c? 1. OE 2. AF 3. CB 4. OF 5. EA