Respuesta:
A = 378 cm²
Explicación paso a paso:
A = (P * ap)/2
A = (84 * 9)/2
A = 756/2
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Respuesta:
A = 378 cm²
Explicación paso a paso:
A = (P * ap)/2
A = (84 * 9)/2
A = 756/2
A = 378 cm²