Respuesta:
b = 10.5cm
Explicación paso a paso:
2A = b.h
b = 2A/h = 2(84cm²)/16cm = 168cm²/16cm = 10.5cm
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Respuesta:
b = 10.5cm
Explicación paso a paso:
2A = b.h
b = 2A/h = 2(84cm²)/16cm = 168cm²/16cm = 10.5cm