Respuesta:
a = 7.46 m b = 27.53 m
Explicación paso a paso:
1..
A = 908 m2 ancho b = 21 m
A = bh.
h = A/b = 908/21 h = aproximadamente 43.23 m ancho del rio
2…. a = x
b = 2x+12.6
p = 78 cm
p = 2a + 2b = 2x + 4x + 25.6 = 70
6x = 70 - 25.6 = 44.8
x = 44.8/6 x = 7.46 m
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Verified answer
Respuesta:
a = 7.46 m b = 27.53 m
Explicación paso a paso:
1..
A = 908 m2 ancho b = 21 m
A = bh.
h = A/b = 908/21 h = aproximadamente 43.23 m ancho del rio
2…. a = x
b = 2x+12.6
p = 78 cm
p = 2a + 2b = 2x + 4x + 25.6 = 70
6x = 70 - 25.6 = 44.8
x = 44.8/6 x = 7.46 m
a = 7.46 m b = 27.53 m