Resposta:
.
Explicação passo-a-passo:
A = (28 + 12) × 8/2
A = 160cm^2
[tex]\huge{\boxed{\underline{\red{\tt{160cm^{2}}}}}}[/tex]
[tex]\red{\sf{A = \dfrac{(B + b) \cdot 8}{2}}}[/tex]
[tex]\red{\sf{A = \dfrac{(28 + 12) \cdot 8}{2}}}[/tex]
[tex]\red{\sf{A = \dfrac{40 \cdot 8}{2}}}[/tex]
[tex]\red{\sf{A = \dfrac{320}{2}}}[/tex]
[tex]\red{\sf{A = 160}}[/tex]
[tex]\sf{Por:~Um~Estudante}[/tex]
[tex]\sf{Para:~Estudantes}[/tex]
[tex]\rm{_{_{_{_{ATT:~Cezar}}}}}[/tex]
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Resposta:
.
Explicação passo-a-passo:
A = (28 + 12) × 8/2
A = 160cm^2
[tex]\huge{\boxed{\underline{\red{\tt{160cm^{2}}}}}}[/tex]
[tex]\red{\sf{A = \dfrac{(B + b) \cdot 8}{2}}}[/tex]
[tex]\red{\sf{A = \dfrac{(28 + 12) \cdot 8}{2}}}[/tex]
[tex]\red{\sf{A = \dfrac{40 \cdot 8}{2}}}[/tex]
[tex]\red{\sf{A = \dfrac{320}{2}}}[/tex]
[tex]\red{\sf{A = 160}}[/tex]
[tex]\sf{Por:~Um~Estudante}[/tex]
[tex]\sf{Para:~Estudantes}[/tex]
[tex]\rm{_{_{_{_{ATT:~Cezar}}}}}[/tex]