what is the surface area of cardboard box? l= 4cm w= 5cm h=10cm

Answer 1

the surface consists of three pairs of rectangular faces.

You have the length and width of each face, so find the three areas, add 'em up, and double that (since there are two of each size)

Answer 2

2[(4 * 5) + (4 * 10) + (5 * 10)] = ?