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Kojo exercise for May 3, 2012 - Drawing squares, polygons, circles
repeat(), forward(), turn(), left(), right()

1. Open Kojo

   

2. Open the square program

   

3. Draws a square with side = 100

   

4. Here's the program:

   

5. Draw a hexagon. Change the program to repeat(6) and turn(80)

   

6. The hexagon is not correct

   

7. Try right(40)

   

8. The hexagon is not correct

   

9. What is the correct number for right() ?

   

10. The hexagon should look like this:

    

11. Try to draw two hexagons, blue and red, and next to each other.

    

12. Here are the two hexagons:

    

    Hint: Here's how to put two squares next to each other:

    	clear()
    	setPenColor(red)
    	repeat(4) {
    	      forward(100)
    	      right(90)
    	}
    	setPenColor(blue)
    	repeat(4) {
    	      forward(100)
    	      left(90)
    	}
    

    

13. Now try to draw three hexagons, red, blue, and yellow:

    

    Hint: Here's how to put three squares next to each other:

    	clear()
    	setPenColor(red)
    	repeat(4) {
    	     forward(100)
    	     right(90)
    	}
    	setPenColor(blue)
    	repeat(4) {
    	     forward(100)
    	     left(90)
    	}
    	right(90)
    	setPenColor(yellow)
    	repeat(4) {
    	     forward(100)
    	     right(90)
    	}
    
    

    Part 2

14. Open the circle program

    

15. An orange circle with a green outline

    

16. Use different colors, choose from:
    black, blue, brown, cyan, drakGray, gray,
    green, orange, pink, purple, red, white, yellow

    

17. Pink circle with purple outline:

    

18. Here's a program for pink and purple:

    

    Part 3

19. Make a bigger circle.

    

20. Use forward(2)

    

21. Try to draw an orange and green snowman

    

22. Here's a program that you can use: