This net here is it's laid out all of the surfaces for us, and we just have to figure Is this thing's surfaceĪrea 40 square centimeters? Well, the good thing about Two centimeters tall, and it is two centimeters, This would be the top, and then the top would of course go on top of our rectangular prism. And then of course we have the top that's connected right over here. When we fold this side in, that's the side that's kind We fold this side in, that's the same color. When you fold this side in, right over here, that could be that. Right over here, this side right over here along When we fold up that side, that could be this side If I want, five centimeters, and that's of course the sameĪs that dimension up there. This dimension right over here, I can put the double hash marks You're gonna have your base that has a length of five centimeters. Start with a net like this and try to visualize the polyhedron that it actually represents,Īnd it looks pretty clear that this is going toīe a rectangular prism, but let's actually draw it. Now, they don't ask us toĭo this in the problem, but it's always fun to Pretty much all the rest of the edges are going Has the same number of hash marks, in this case, one, is also going to be two centimeters. So that's five centimetersĪnd that's five centimeters. And then these two over hereĪre also five centimeters. Has this double hash mark right over here is also Other five-centimeter edges because any edge that So this is one of the five-centimeterĮdges right over here. Could the net below represent the figure? So let's just make sure we understand what this here represents. The net below has five-centimeter and two-centimeter edges. A figure has a surface area of 40 square centimeters.
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