Respuesta:
[tex]162cm^{2}[/tex]
Explicación paso a paso:
[tex]Largo: L= 7cm[/tex]
[tex]Ancho:a = 6cm[/tex]
[tex]Altura: h = 3cm[/tex]
[tex]Area-total: At = ?[/tex]
[tex]At = 2(L*h) + 2 ( a*h)+ 2(a*L)[/tex]
[tex]At = 2 ( 7cm*3cm)+2(6cm*3cm)+2(6cm*7cm)[/tex]
[tex]At = 2(21cm^{2} ) + 2(18cm^{2})+2(42cm^{2} )[/tex]
[tex]At = 42cm^{2} +36cm^{2} +84cm^{2}[/tex]
[tex]Luego: At = 162cm^{2}[/tex]
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Respuesta:
[tex]162cm^{2}[/tex]
Explicación paso a paso:
[tex]Largo: L= 7cm[/tex]
[tex]Ancho:a = 6cm[/tex]
[tex]Altura: h = 3cm[/tex]
[tex]Area-total: At = ?[/tex]
[tex]At = 2(L*h) + 2 ( a*h)+ 2(a*L)[/tex]
[tex]At = 2 ( 7cm*3cm)+2(6cm*3cm)+2(6cm*7cm)[/tex]
[tex]At = 2(21cm^{2} ) + 2(18cm^{2})+2(42cm^{2} )[/tex]
[tex]At = 42cm^{2} +36cm^{2} +84cm^{2}[/tex]
[tex]Luego: At = 162cm^{2}[/tex]