#### Answer

Perpendicular

#### Work Step by Step

Scalar products measure how parallel two vectors are. Thus, if the scalar product is 0 and neither of the vectors are 0, they must be completely not parallel, which means they are perpendicular.

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Published by
Pearson

ISBN 10:
0-134-98855-8

ISBN 13:
978-0-13498-855-9

Perpendicular

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