Respuesta:
A = 135 cm²
Explicación paso a paso:
A = (B + b)/2 * h
A = (18 + 12)/2 * 9
A = 30/2 * 9
A = 15 * 9
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Respuesta:
A = 135 cm²
Explicación paso a paso:
A = (B + b)/2 * h
A = (18 + 12)/2 * 9
A = 30/2 * 9
A = 15 * 9
A = 135 cm²