Sixth Year maths · D.2 · Vectors
Find the magnitude of a vector
Square each component, add, and take the square root.
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See worked examples
Find the magnitude of ⟨8, 15⟩.
Answer: 17
Find the magnitude of ⟨−7, −24⟩.
Answer: 25
Find the magnitude of ⟨24, −7⟩.
Answer: 25
Tip: Square each component, add, and take the square root.
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- Next in this topic Find dot products and perpendicular vectors Sixth Year
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