Respuesta:
[tex]a = d1 \times d2 \\ 126 {cm}^{2} = 14cm \: \times \: d2 \\ d2 = \frac{126 {cm}^{2} }{14cm} = 9cm[/tex]
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Respuesta:
[tex]a = d1 \times d2 \\ 126 {cm}^{2} = 14cm \: \times \: d2 \\ d2 = \frac{126 {cm}^{2} }{14cm} = 9cm[/tex]