Respuesta :

unicorn3125

Answer:

          503 cm²

Step-by-step explanation:

The surface area of the figure is sum of areas of two triangles and three ractangles:

[tex]A=2\cdot\frac12\cdot10\cdot8,3+3\cdot10\cdot14=83+420=503\,cm^2[/tex]

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