Respostas

  • Usuário do Brainly
2014-06-07T19:35:19-03:00
Triangulo A=b.h/2
 A= √10 . 2 √2 /2 (2√2=8)
A= √10.8 /2
A= √80/2
A= √2².2².5 /2
A= 4√5 /2
A= 2 √5 cm²