axelcalvez123 axelcalvez123

25-11-2022
Mathematics

contestada

(geometric proofs with vectors)
ABCD is a quadrilateral.
AB= 8a-9b
BC= 2a+12b
DC= 9a-3b
a) Express AD in terms of a and b in its simplest form.
b) What type of quadrilateral is ABCD?

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