Answer:
the perimeter of the Pentagon is 2.75cm 
Step-by-step explanation:
add each side together in decimal form 
 
        
             
        
        
        
1788.11. Because the 0 will go to 1 because of the 6
        
             
        
        
        
Answer:
Length of JK is 68.27 units.
Step-by-step explanation:
By applying geometric mean theorem (leg theorem) in the triangle attached,

(KL)² = (KM)(JK)
(32)² = (15)(x)
x = 
x = 68.2666
x ≈ 68.27
Therefore, length of JK is 68.27 units.
 
        
             
        
        
        
Answer:
So Sorry Omg Wait I'll will come back