Question

length of a door in which measurement (km,cm,m.)etc
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Answer 1

Answer:

meter

Explanatio

Answer 2

Answer:

The most common units that we use to measure length in the metric system are the millimeter, centimeter, meter, and kilometer. The millimeter is the smallest commonly used unit in the metric system. The abbreviation for millimeters is mm (for example, 3 mm)

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