Answer:
78 cm²
Step-by-step explanation:
since all sides are congruent you multiply the one measurement 6 times,so you do 13 × 6 equals 78
 
        
             
        
        
        
Yes because if you divide both, the numerator and denominator, by 7 it would simplify  to 10/3, so they are equivalent.
        
             
        
        
        
Answer: aaaaayyyyyeeeee thank you for the points i appreciate it
Step-by-step explanation:
 
        
                    
             
        
        
        
Depends on the prism!
Here are the basic ones:
SA of rectangular prism = 2lw + 2wh + 2lh OR 2(lw+wh+lh)
SA of triangular prism = 2*area of base + perimeter of base*height
        
             
        
        
        
Answer:
I really don't know..but I can try with some guideline on it.