Centimetre.
Length is measured in meters in the metric system.
Newtons.
Millimeters or centimeters.
ton
Centimetres.
kilograms
Meters should be used to measure the length of a tennis court in metric units.
measurement of Feet
Because the metric system uses units of 10's to measure which makes things simple.
The answer depends on whether you wish to measure its mass, its length, its thickness or another attribute.
Meters if you're using the metric system. Otherwise use feet.
You should use the metric system every time you need to measure something, whether it's length, weight, temperature, or any other measurement you need to take.