A ruler.
Ruler. Micrometers. Caliper.
Anything that measures length: a 30cm ruler, a metre ruler, a tape measure etc.
By unit of length and distance and conversion ,we can say that a centimeter ruler used for measuring the length,width of the objects in centimeters ,etc.
If you are measuring it's length, a ruler is adequate
A ruler.
Use a ruler, measuring tape or other device for measuring length.
Because it is difficult to wrap a metre ruler around someone's head.
A ruler, or a metre stick, or a tapemeasure, or a mileometer (on a car) etc...
ruler
Ruler. Micrometers. Caliper.
ruler and tape measure
A measuring tape or a ruler
Anything that measures length: a 30cm ruler, a metre ruler, a tape measure etc.
Length: ruler, metre stick, opisometre stick, trundle wheel, vernier callipers.Mass: balance.Time: clock, stopwatch.Volume: graduated cylinder.These are very common.
There are many instruments to measure lengths. But selection of measuring device depends on the maximum length it can measure. For example a small ruler used in schools can measure maximum 15 centimeters (or 6 inches). Here is a list of some measuring devices for measuring length: 1. Ruler (also known as scale) max 30cm 2. Meter Rod (that used by tailors or cloth sellers), max 100 cm 3. Measuring Tape (used by surveying engineers) For measuring very large distances travelled, In vehicles, speedometers also have distance measuring display. Ships use knots for measuring nautical miles.
Yes, the ruler does need to be straight when finding or measuring the length of a country on a map. If the distance curved, you can use a string and the ruler to measure the length.