Question

Fie ABCD paralelogram si O centrul sau. Sa se exprime sub o forma mai simpla sumele.
a) vector AB + vector CD
b) vector AD + vector BC
c) vector AB + vector OD
d) vector AC + vector DA
e) vector BD + vector CB
f) vectro AO + vector CO​

Answer 1

Răspuns:

AB+CD=0 vectorial

b)AD+BC=2AD

c)

d)AC+DA=CD

e)BD+CB=DC

AO+CO=AO-OC=0

Explicație pas cu pas:

Answer 2

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