SOLUTION: without lifting your pencil from the paper, draw 4 line segments that pass through all 9 dots. . . . . . . . . .

Algebra ->  Points-lines-and-rays -> SOLUTION: without lifting your pencil from the paper, draw 4 line segments that pass through all 9 dots. . . . . . . . . .      Log On


   

Question 97078: without lifting your pencil from the paper, draw 4 line segments that pass through all 9 dots.
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Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the given grid of dots 



.  .  .

.  .  .

.  .  .



Draw a line through the bottom row of dots. Make sure it extends outside the box 



    .  .  .
 
    .  .  .

___________


Draw a diagonal line that cuts through the left middle and upper middle dots. Once again draw it outside the box 
 
         /
        /
       /
    . /  .
     /  
    / .  .
   /
  /__________



Now draw a vertical line straight down 

 
         /
        /|
       / |
    . /  |
     /   |
    / .  |
   /     |
  /______|____


Finally, draw a second diagonal connecting the remaining dots 


         /
        /|
   \   / |
    \ /  |
     /   |
    / \  |
   /   \ |
  /_____\|____



These drawings are a bit hard to see, so feel free to ask further about any of my steps