Răspuns:
Explicație pas cu pas:
AB = BC = CD ; MN = NP = PQ
a) AC = AB + BC
BD = BC + CD => AC = BD =>
AC/BD = 1
b) Idem ;
Suplimentar AD/BD = (AB+BC+CD)/(BC+CD) = 3BC/2BC =>
AD/BD = 3/2
c) AC/BC = (AB+BC)/BC = 2BC/BC => AC /BC = 2
d) MN/PQ = 1
e) PN/MQ = PN/(MN+NP+PQ) = PN/3PN => PN/MQ = 1/3
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