Respuesta :

Seeming like a rectangle prism

  • L=5mm
  • B=5mm
  • H=4mm

Surface area

[tex]\\ \rm\hookrightarrow 2(LB+BH+LH)[/tex]

[tex]\\ \rm\hookrightarrow 2(25+25+20)[/tex]

[tex]\\ \rm\hookrightarrow 2(70)[/tex]

[tex]\\ \rm\hookrightarrow 140mm^2[/tex]