Respuesta :

wegnerkolmp2741o

Answer:

213 m^2

Step-by-step explanation:

The surface area for a rectangle prism is given by

A=2(wl+hl+hw)

We know the base is 6 meters by 3.5 m  so l = 6 and width =3.5

The heigth is 9 m

A = 2 ( 6*3.5 + 9* 6 + 9* 3.5)

   = 2 * (21 +54 +31.5)

    = 2*(106.5)

    =213 m^2

bl8340

Answer:

213 square meters

Step-by-step explanation:

The surface area for a rectangle prism is given by

A=2(wl+hl+hw)

We know the base is 6 meters by 3.5 m  so 6 * 3.5

The height is 9 m

A = 2 ( 6*3.5 + 9* 6 + 9* 3.5)

  = 2 * (21 +54 +31.5)

   = 2*(106.5)

   =213 m^2

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