About This Lesson
A Pac-Man like image that can be used as a tool for determining whether or not an angle is 90 degrees.
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A Pac-Man like image that can be used as a tool for determining whether or not an angle is 90 degrees.
Thank you - I have an LEA observation and that is one less job !
Lovely idea and easier to use to check right angles than strips of card and a split pin! Thanks for sharing.
Thanks for this! I knew I had seen them somewhere but couldn't find them!