Polygons include
triangles
rectangle
square
pentagon
hexagon
etc.
        
                    
             
        
        
        
Answer:
x= -3-sqr30/7 
Step-by-step explanation:
 
        
             
        
        
        
............................,,,;,,...............:......
        
             
        
        
        
(-5,7) Quadrant 2
(5,-18) Quadrant 4
(10,6) Quadrant 1
(-6,-4) Quadrant 3
(-2,6) Quadrant 2
(2,-6) Quadrant 4
(-10,-13) Quadrant 3
(-4,0) x axis 
(0,5) y axis