Răspunsuri

2014-11-18T10:30:40+02:00
A=(B+b)xh/2 unde B-baza mare,b-baza mica si h-inaltimea

b=12cm
B=2,4dm=14cm
h=8cm


A=(24+12)x8/2=36x8/2=144 cm²
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