Question 1204c

Vectors I: Basics, Dot and Cross Products
Perpendicular Distances

Question

Given the points A(−8,−4,1){A \left( - 8, - 4, 1 \right)} and B(4,1,−8),{B \left( 4, 1, - 8 \right),} what is the perpendicular distance from the point A{A} to the line OB?{OB?}

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