When they are extended to use, It is straight as a ruler. Measuring Instruments - This instrument is made similar to the ruler function and they are portable by folding or retracting into a coil as in metal tape measure. The basic unit of measurement in the basic line gauge includes inches, agate, picas, and points. Line Gauge - This ruler is used in the paint industry and is made from a variety of materials, typically metal or clear plastics. Short rulers are 15 centimetres which are very convenient to carry and long rulers are 30 centimetres or 12 inches long, it is useful to draw larger drawings. Sometimes a metal edge is embedded into a wooden desk ruler to preserve the edge when used for straight-line cutting.ĭepending on the size of the ruler there are two types of ruler - a short ruler and a long ruler. Material rulers are used at a mechanical workshop. Plastics are used to make rulers since they were invented as they could be moulded with length markings. Rulers are made from wooden, plastics and metal. There are different types of ruler depending on the material it is made of. The rulers are marked with standard distance in centimetres in the top and inches in the bottom and the intervals in the ruler are called hash marks. A math ruler is used to measure the length in both metric and customary units. Ruler Meaning in Maths - A ruler is a device or tool that is used in geometry and technical drawing, as well as engineering and construction technologies to measure the distance of a straight line. In this article, you will learn what is a ruler, its type, reading a ruler, and its uses. Are you someone who looks at a ruler but doesn't understand how to use it? or do you ever wonder why so many different types of rulers are used? Why can’t just one ruler of 15 cm be sufficient? Vedantu will answer all these questions below.
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