Keywords

#straightedge

Straightedge

Tool used for drawing straight lines, or checking their straightness or flatness

A straightedge or straight edge is a tool used for drawing straight lines, or checking their straightness. If it has equally spaced markings along its length, it is usually called a ruler.

Thu 7th

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Straightedge Straightedge and compass construction Ruler Constructible polygon Angle trisection Constructible number Straight Edge Society List of straight edge bands Set square Straight razor
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