Question

A

E
H
B
ABCD is a quadrilateral.
E, F, G and H are the midpoints of AB, BC, CD and DA.
AH = a
AÉ = b
Prove, using vectors, that EFGH is a parallelogram.
D
F
с
DG=c
G
C

PLEASE HELLPPPPP

Answer 1

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Explanation:

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