Types of Measuring Rulers. Desk Ruler. The best-known and most common type of ruler, desk rulers are generally used for measuring, drawing straight lines and as guides when cutting with blades. Protractor. Used to measure angles or circles, protractors are clear, circular or half-circular rulers. Adjustable Triangle.
Measuring Rulers – History, Usage and Types of Rulers. A ruler is an instrument that can be used for measuring distances or to draw straight lines in printing, .
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Definitions of cracy and archy words for types of government and forms of rulership.. chromatocracy, government by rulers of a particular skin colour.
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