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a fost răspuns

Calculeaza perimetrul triunghiuri or ale care laturiau lungimile: a) 3cm,6cm,55mmb) 4cm 3cm 62mm c) 7cm 4cm 79 mm d) 3cm 40 mm 5cm e) 3cm 3cm 4cm f) 2cm 2cm 2cm

Răspuns :

a)3cm+6cm+55mm(5,5cm)=14,5cm.
b)4cm+3cm+62mm(6,2cm)=13,2cm
c)7cm+4cm+79mm(7,9cm)=18,9cm
d)3cm+40mm(4cm)+5cm=12cm
e)3cm+3cm+4cm=10cm
f)2cm+2cm+2cm=6cm

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