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Match each law to what it says

Exercise and reference answers

Matching pairs
  1. Left
    Triangle law
    Right
    three sides taken in order sum to the zero vector
  2. Left
    Parallelogram law
    Right
    two coinitial vectors add along the diagonal
  3. Left
    Internal section formula
    Right
    a point dividing PQ between P and Q

Explanation

The two rules for adding vectors, plus the two section formulae. Source: syllabus Maths Part II, Ch 10 Vector Algebra.
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