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That has a surface area of 48 square centimeters. Of 40 square centimeters? No, this represents a figure Represent the figure that has a surface area So what's the total surface area? Well, 10 plus 10 plus 10 plusġ0 is 40 plus four plus four gets us to 48 square centimeters or centimeters squared. Now, these two sections right over here, they're two centimetersīy two centimeters, so they're each going toīe four square centimeters. So once again, that'sġ0 square centimeters. This is five long, five centimeters long, two centimeters wide.
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So these are each 10 squareĬentimeters, and so is this one.
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So what is the surfaceĪrea of this one here? Well, it's gonna be fiveĬentimeters times two centimeters. Then add them together, the surface area ofĮach of these surfaces. Out the surface area of each of these sections and 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.
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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. To calculate the surface area of a prism, you should divide the prism first then calculate the surface area accordingly.A figure has a surface area of 40 square centimeters. For example, when you cover a box in wrapping paper, then you should know its surface area to get an idea of the actual quantity of paper. Surface area is the total space available outside of an object. Surface Area of a Triangular Prism Formula The properties will change for irregular or semiregular polygons.A regular triangular prism has 9 edges.A triangular prism when divided has five faces, two triangular and three rectangular faces.What are the properties of a Triangular Prism? To represent a prism, each vertex is named with a different alphabet. In brief, a triangular prism always has five faces, six vertices, and the nine edges. When edges meet together then it will make a vertex. When two faces of a Prism meet together, then it will make a line segment that is named as the edge. In this way, a triangular prism will be divided into five faces two triangular and three rectangular faces. The three rectangles will be named as lateral faces. The top and bottom of the shape are still triangular bases. Find the lateral area by calculating the perimeter of the base and multiply it by the height of the prism. When 3-dimensional shaped are formed by 2-dimensional shapes then it will be named as faces. To find the surface area of a triangular prism, use the formula Surface Area L + 2B, where L is the lateral area and B is the area of the base. It will be divided into two rectangles and three triangles when divided properly. If you will cut the Triangular Prism into parts and put it flat on the table then you will better understand the structure of the shape.