Question

What is the surface area? 10 mm 7 mm 4 mm

Answer 1

Answer:

Perhaps 270 mm^2, if it is a box.

Step-by-step explanation:

What shape is this?  A box?

If a box:

There are 6 faces:

1.   2 ends:  7mm x 4mm  = 28 mm^2/end

2.  2 sides:  10mm x 7mm  = 70 mm^2/side

3.   top and bottom:  10mm x 4 mm = 40 mm^2/each

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Totals:

1.    56 mm^2

2.  140 mm^2

3.   80 mm^2

Total  270 mm^2