Respuesta:
23/3
Explicación paso a paso:
perimetro= P
Base=b
Altura=h
---------------------------------
P=x+19 / b=x+2 / h=x-3
formula:
P=2(b+h)
x+19= 2( x+2+x-3)
x+19= 2(2x-1)
x+19= 4x-4
23=3x
23/3= x
x=7,6
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Respuesta:
23/3
Explicación paso a paso:
perimetro= P
Base=b
Altura=h
---------------------------------
P=x+19 / b=x+2 / h=x-3
formula:
P=2(b+h)
x+19= 2( x+2+x-3)
x+19= 2(2x-1)
x+19= 4x-4
23=3x
23/3= x
x=7,6