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ex :2 va rog !!! urgenttt ♡♡
Multumesc!!! ♡♡♡:)​


Ex 2 Va Rog Urgenttt Multumesc class=

Răspuns :

Răspuns:

a)

P=2AB+2BC

P=4BC+2BC

P=6BC

60= 6BC=》BC=10cm

AB=2×10=20cm

AB=CD=20cm

BC=AD=10cm

b)P=2AB+2AD

120=2AB+8AB

120=10AB =》AB=CD=12cm

AD=4×12

AD=BC=48cm