The length of the object according to the ruler shown in the image is 72.5 mm precisely and 7.2 cm not-precisely
How do you measure the length of an object?
Lay the tape measure or measuring tape flat on the surface of the object. Hold the entire tool perpendicular to the front edge. Continue to pull the measuring tool out to its full length until you reach the other edge of the intended length.
What is the length of a ruler?
30 cm
12-inch or 30 cm length helps you to place the ruler on your desk and draw. A short ruler is convenient to store in the pocket. In some cases you may need a longer ruler, e.g. B. 18 inches (46 cm). Hardwood or plastic yardsticks and meter sticks are also used.
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