Answer:
15
Step-by-step explanation:
Area of a triangle = 1/2 * base * height
Using the given information,
45 = 1/2 * L * 6
45 = 3L                                simplify
15 = L                                   divide both sides by 3
 
        
             
        
        
        
Answer:
20.3
Step-by-step explanation:
 
        
                    
             
        
        
        
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So the base is 72 area squared. You multiply 72 by the height, which is 9, giving you 648 area cubed.
Hope this helped!