Hi there
I think I may have the answer for you!
<u>Answer:</u>
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A midsegment of a triangle is a segment connecting the midpoints of two sides of a triangle. It is always parallel to the third side, and the length of the midsegment is half the length of the third side.
Please make sure to check my answer and mark it/
Jake
 
        
             
        
        
        
Answer:

Step-by-step explanation:
The sum you are trying to understand is this. 

Remember that in general when you have a geometric series  
  you have that
 you have that 
 and that equality is true as long as
      and that equality is true as long as      .
. 
Therefore here we have 
 and
        and   
Therefore we can use the formula and 

 
        
             
        
        
        
Answer:
yes 1/3 5 isb don't ehejdvduvrjdvdjrnrrjr didojdgovrodb
 
        
                    
             
        
        
        
B.) 6?....
This seems too easy for it to be correct but I think it is B.
        
                    
             
        
        
        
Answer:
i used to know how to do this but i forgot sorry hope someone helps
Step-by-step explanation:
Good Luck!!