Page 12 - Grab Me SPM Add Mathematics Form 4,5

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• Addition and subtraction of non-parallel vectors.
Triangle law Parallelogram law
C C D C
a + b b
~ ~ b ~ ~ –a + b b a + b
~ ~
~ ~ ~
A B A B
a a A B
~ ~ a
→ → → → → → ~
AC = AB + BC BC = BA + AC → → →
→
→
= AC – AB AC = AB + AD
Polygon law
d
E ~ D
e c
~ ~ → → → → → →
F C AF = AB + BC + CD + DE + EF
f b
~ ~
A a B
~
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Ch 8_Grab Me SPM AddMaths F4.indd 91 26/04/2022 9:16 AM