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One reads a ruler by using the hash marks on the ruler to read off each large number, which denote inches. After one reads the inch on the ruler, then one reads the smaller linear marks next to that inch, which indicate ... More »

www.reference.com Math Geometry

A ruler measurement chart is read exactly the way a regular ruler is read. When reading a ruler measurement chart, the user must identify if it is a fractional/English ruler or a decimal/metric ruler. Rulers in the Unite... More »

www.reference.com Science Measurements

A person measures in millimeters by comparing the length of the object in question with the tick marks on a metric ruler or the metric side of a standard ruler. The metric side is labeled in millimeters or centimeters wi... More »

www.reference.com Science Measurements
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Linear inches refers to the combined number of inches of an object's height, length and width. The sum is obtained by measuring the height, length and width of a specific object, such as a piece of luggage, with a ruler ... More »

www.reference.com Math Geometry

To use a ruler, place it alongside or on top of the object or line that is to be measured and count the number of marks from edge to edge of the object. For those who are working with a metric ruler, the longer lines are... More »

www.reference.com Science Measurements

The primary difference between a ruler and straightedge is that a ruler is a measurement device, whereas a straightedge is a tool for drawing or viewing straightness. A ruler is a straightedge with some scale on it so th... More »

www.reference.com Math Geometry

A square with an area of 49 square inches has a perimeter of 28 inches. According to About.com, the formula for the area of a square is length times width. Since a square has equal sides, the equivalent formula is a side... More »

www.reference.com Math Geometry