Respuesta :

Shortcharlie

Answer:

136.73972

Step-by-step explanation:

A=lw+l(w

2)2+h2+w(l

2)2+h2=6·5.2+6·(5.2

2)2+92+5.2·(6

2)2+92≈136.73972
Hi! I got an answer of 123.6 ft sq for the surface area. Hope that helps :)

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