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2014-05-18T23:33:15+03:00
P = 2L +2l ⇒ p = 2 * 10 + 2 * 4 
p = 20 + 8 ⇒ p = 28 cm .
2 5 2
  • Utilizator Brainly
2014-05-18T23:34:30+03:00
P=2(L+l)
P=2(10cm+4cm)
P=2ori14cm
P=28cm