Respuesta:
10 cm = B
Explicación paso a paso:
Datos:
h = 15 cm
A = 75 cm²
B =?
B x h
A = -----------
2
2A = B x h
2A
------------- = B
h
2(75 cm²)
------------------ = B
15 cm
150 cm²
----------- =B
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Respuesta:
10 cm = B
Explicación paso a paso:
Datos:
h = 15 cm
A = 75 cm²
B =?
B x h
A = -----------
2
2A = B x h
2A
------------- = B
h
2(75 cm²)
------------------ = B
15 cm
150 cm²
----------- =B
15 cm
10 cm = B