Explicación paso a paso:
RECTÁNGULO
H = ?
B = ?
UNO DE ESOS MIDE 7cm
PERIMETRO : 26cm
7+7+x+x=26
2x+14=26
2x=12
x=6
ÁREA = 7×6=42cm²
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Verified answer
Explicación paso a paso:
RECTÁNGULO
H = ?
B = ?
UNO DE ESOS MIDE 7cm
PERIMETRO : 26cm
7+7+x+x=26
2x+14=26
2x=12
x=6
ÁREA = 7×6=42cm²