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            Lesson 9-8 - The Pythagorean Theorem and Space Figures 
            Today, we applied the Pythagorean Theorem to figures in space.  We started with some basic definitions: 
              
            Given these definitions, you should be all set with this section...it's really not that hard.  We went over the following example: 
              
            The first thing was to figure out what DB was by using the triangle shown: 
              
            Then, we used the red triangle shown below to figure out HB: 
              
            Not bad, right?  Here's another example...you should be able to follow the steps: 
              
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