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Ans 1:
Class : Class 9 
                                                                                                        
                                                                                                        Area of 1 small square = (3 Ã 3) cm2 = 9 cm2Number of shaded squares = 20â´ Shaded area = 20 Ã 9 = 180 cm2
                                                                                                    
                                                                                                     
             
             
         
                                                                         
 
 
 
 
 
 
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 and  are equivalent rational numbers is ______.
 are equivalent rational numbers is ______.
 
 
 
