7.2 Draw a star with any odd number of points

Scratch solution

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when green flag clicked
clear
go to x: (0) y: (0)
pen down
ask [Enter an odd number of points to draw a star:] and wait
set [points v] to (answer)
repeat (points)
  move (200) steps
  turn cw ((180) - ((180) / (points))) degrees
end
pen up

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