What's wrong with my code?

mulyanto

1 by mulyanto

Please Help,
what's wrong with my code ?
i just wat to make point C = (Point A to Point B ) * 2

how do i write it ???

mulyanto

2 by mulyanto

there's no answer or question.....

may i'm posting in the wrong forum

here for the illustration

mulyanto

3 by mulyanto

and they should be like this

Please Help