How do i work out a ABCD parallelogram
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Answer:
Vector CA = 2a
Vector AB = a - b
Vector BC = 3a - b
Step-by-step explanation:
a) Vector CA = 2 × vector OA = 2a
b) Vector AB = vector BO + vector OA = - b + a = a - b
c) Vector BC = vector CA + vector AB = 2a + a - b = 3a - b