Resposta:
448m²
Explicação passo-a-passo:
Grande triangulo da última coluna direita:
[tex]\frac{(4.4).(1.4)}{2} \\\\\frac{16.4}{2} \\\\\frac{64}{2} \\\\32m^{2}[/tex]
Triângulo inferior esquerdo
[tex]\frac{(1.4).(3.4)}{2} \\\\\frac{4.12}{2}\\\\24m^2[/tex]
Trapézio superior
[tex]\frac{[(5.4)+(2.4)].(1.4)}{2}\\\\\frac{(20+8).4}{2}\\\\\frac{28.4}{2} \\\\\frac{112}{2} \\\\56m^2[/tex]
Grande retângulo direito
[tex](3.4).(4.4)\\\\12.16\\\\192m^2[/tex]
Grande quadrado esquerdo
[tex](3.4)^2\\\\12^2\\\\144m^2[/tex]
Agora, somando as áreas das partes
[tex]192+144+56+24+32=448m^2[/tex]
