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printed 133 · PDF 134
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The words magnitude and modulus mean the same thing with vectors
In geometry magnitude and modulus mean the distance of the vector
This is always a positive value
The direction of the vector is irrelevant
Magnitude or modulus is indicated by vertical lines
|a| would mean the magnitude of vector a
How do I find the magnitude or modulus of a vector
Pythagoras’ Theorem!
Vector Problem Solving
What are vector proofs?
In vector proofs we use vectors, along with a few key ideas, to prove that things are
true in geometrical diagrams