Asked by Amy

Fran wants to cover a retangular box with contact paper. The box is 10cm long, 5cm wide and 5cm high. How much paper will she need to cover all 6 sides?
Answered by Steve
think about it: one bottom, and 4 sides (2 long and 2 short)

you know that area is length * width, so draw the box and label the edges.
Answered by Steve
oops bottom and top are the same size.
Answered by Amy
200cm
Answered by Steve
Nope:

top and bottom: 10x5x2 = 100
short sides: 5x5x2 = 50
long sides 10x5x2 = 100

sum is 250 cm^2
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