Question 1204c

Vectors I: Basics, Dot and Cross Products
Perpendicular Distances

Question

Given the points A(−12,0,5){A \left( - 12, 0, 5 \right)} and B(−6,−9,2),{B \left( - 6, - 9, 2 \right),} what is the perpendicular distance from the point A{A} to the line OB?{OB?}

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