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             Directions:  Read carefully!  
               
            
             
            
            
              
                
                  
                    1.   | 
                    Area ΔABC = 144 square units. 
                      Find the area of ΔDBE in square units. 
                       
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                    2.   | 
                    The perimeters of two similar pentagons, ABCDE and FGHJK, are in the ratio of 3 to 2.  Two  corresponding sides are labeled x and 4.5 in length. Find HJ. 
                       
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                    3.   | 
                    Express the ratio of the area of ΔABC to the area of ΔEDC. 
                      
                     
                       
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                    4.   | 
                    Cube A has a side length of 8 inches and cube B has a side length of 2 inches. What is the ratio of the volumes of cube B to  
                      cube A? 
                       
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                    5.   | 
                    The ratio of the areas of two squares is 4 : 9. 
                      If the area of the larger square is 144 square inches, what is the length of a side of the smaller square? 
                       
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                    6.   | 
                    The triangles shown at the right are similar triangles. Find x. 
                       
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                    7.   | 
                    Find the ratio of the area of ΔDBE to the area of  ΔABC. 
                     
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                    8.   | 
                    Given the graph at the right. 
                      a) What is the ratio of similitude between  ΔABC and ΔADE ? 
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                        b) What is the ratio of the areas of ΔABC to ΔADE ? 
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                      c) What is the area of ΔABC ? 
                      
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d) If the triangles are revolved about the y-axis, what will be the ratio of the volumes of the cones formed? 
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e) What is the volume of the cone formed by the revolution of  ΔABC about the y-axis, to the nearest tenth of a cubic unit? 
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                    9.   | 
                    ΔCAT and ΔDOG are shown at the right. 
                      Find the length of the altitude to the hypotenuse in 
                      ΔDOG. 
                                                                
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                    10.   | 
                    In the diagrams shown below, ΔABC has been dilated by a scale factor of  to produce image ΔDEF. What is the area of the image ΔDEF ? 
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