figura ABC:
P = a*h/2 = 2*2/2 = 4/2 = 2 [cm²]
figura EFGH:
P = e*f/2 = 3*3/2 = 9/2 = 4,5 [cm²]
figura IJKL:
P = (2,5 +3)*1,5/2 = 5,5*1,5/2 = 8.25/2 = 4,125 [cm²]
figura MNOP:
P = 1*2,5 = 2,5 [cm²]
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Verified answer
figura ABC:
P = a*h/2 = 2*2/2 = 4/2 = 2 [cm²]
figura EFGH:
P = e*f/2 = 3*3/2 = 9/2 = 4,5 [cm²]
figura IJKL:
P = (2,5 +3)*1,5/2 = 5,5*1,5/2 = 8.25/2 = 4,125 [cm²]
figura MNOP:
P = 1*2,5 = 2,5 [cm²]