Step-by-step explanation:
Statement | Reason
CB=AB         Given
DBC=DBA   Given
DB = DB      Reflexive Property
/_\ DBC 
=~
/_\DBA        SAS
Sorry for the formatting the =~ means congruent. 
 
        
             
        
        
        
The square has a side length of 9.
 The area of the full square would be 9^2 = 9 x 9 = 81 square cm.
 The area of the triangle is 1/2 x 4 x 3 = 6 square cm.
 The area of the shape = 81 -6 = 75 square cm.
 
        
             
        
        
        
Explanation : % is the symbol for percentage. It means out of 100. 75% means 75 out of 100 which is represented as 75/100.
 
        
                    
             
        
        
        
Answer:
d = 9.4
Step-by-step explanation:
d=
d=
d=
d=
d=9.4