Resposta:
b = 12 cm
h = 2/3 de b, 2/3 × 12 = 8cm
A = b.h/2
A = 12×8/2
A = 96/2
A = 48 cm² Letra (d)
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Resposta:
b = 12 cm
h = 2/3 de b, 2/3 × 12 = 8cm
A = b.h/2
A = 12×8/2
A = 96/2
A = 48 cm² Letra (d)