The Steps to Make a Rectangular Prism

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Making a rectangular prism requires you to follow a few basic, easy to manage steps. Learn about the steps to make a rectangular prism with help from an experienced educator in this free video clip.

Part of the Video Series: Lessons in Math
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Video Transcript

Hi, my name is Marija. I'm a mathematician, and today I'm going to show you the steps to make a rectangular prism. So, a rectangular prism is simply a 3-D rectangle. So, we're going to start with a rectangle. So, just make sure that you keep all the dimensions of the rectangle. If my rectangle is going to be ten along this way, then I know it's going to be ten along this way, right? Because the rectangles have opposite sides that are equal. These two sides are going to be parallel, and these two sides are going to be parallel, as well, and all of my angles are going to be ninety. So, just ensure that I definitely have a rectangle here. And we're going to say that the width of it is going to be seven, and then this one also has to be seven. So, we've started with our base. And now to make it a prism, we've got to give it a height. So, a prism is going to have a length, a width, and a height. So, we're going to give it a height. And let's say--well, I'm sorry. This actually just turned into my height once I drew it like that. So now, when I draw it back, I'm actually giving it another width. So, let's say that's five. And now all you have to remember is that whatever segment you draw, on the opposite side it's got to be the same length. So, if that's going to be five, this is going to be five, as well. And then the line that connects them is going to have to be ten, because the top is also forming a rectangle. Because I'm going to have one, two, three, four, five, six faces, all rectangles. So then, when I drop a line from here, because this line was seven or this line segment was seven, this would have to be seven, as well. When I connect it back to the front, because that was five, it's got to be five, as well. So, all you want to do is make sure that all your dimensions are the same. That the top is congruent to the bottom face, and that the side faces are congruent, and the back and front are congruent. And that's how you're going to draw a rectangular prism. My name is Marija, and I just showed you how to construct a rectangular prism.


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