leannaadrian
leannaadrian
10-03-2018
Mathematics
contestada
Please help me with this problem
Respuesta :
kkaasshh
kkaasshh
10-03-2018
To find the volume, you multiply the length, width, and height.
3x9x5=135.
135 is the volume.
The formula for the surface area is
2(lw + lh + wh). So all you have to do is plug the values in.
So
2(lw + lh + wh) becomes 2( (3x9) + (3x5) +9x5) ). Then you multiply the numbers together, then add them, then multiply that sum by 2.
The surface area is 174.
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