Respuesta :

[tex]Area \ of \ top \ triangle = \frac{1}{2} \times base \times height [/tex]
       [tex] \boxed{\frac{1}{2} \times 7 \times 2 = 7 cm^{2} }[/tex]

[tex]Area \ of \ the \ rectangle = length \times width[/tex]
      [tex]\boxed {7 \times 4 = 28 cm^2}[/tex]

[tex]Area \ of \ bottom \ triangle = \frac{1}{2} \times base \times height [/tex]
      [tex]\boxed {\frac{1}{2} \times 7 \times 2 = 7 cm^{2}}[/tex]

[tex]\boxed{\boxed{Total \ area = 7 + 28 + 7 = 42 cm^2}}[/tex]

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