Given ABDC is a parallelogram
a. By construction show that AB - AC = CB.
b. Construct the diagonals of the parallelogram and show that these vectors are
the sum and difference of the adjacent side vectors of the parallelogram
A
B.
Figure 8.26
.D

Given ABDC is a parallelograma By construction show that AB AC CBb Construct the diagonals of the parallelogram and show that these vectors arethe sum and diffe class=