laluwbxkqoshe laluwbxkqoshe
  • 26-03-2020
  • Mathematics
contestada

what is the surface area? please show work ​

what is the surface area please show work class=

Respuesta :

notamuggle0731 notamuggle0731
  • 09-04-2020

Answer: 144

Step-by-step explanation:

You add up the area of each side

the two triangular sides- A=BH/2   3 times 4 divided by 2 so 6 but there are two triangles so you multiply by two so 12

the bottom rectangle- A=LW    4 times 11 so 44

the top rectangle- A=LW    5 times 11 so 55

the back rectangle- A=LW 3 times 11 so 33

12+44+55+33=144

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