square ft or square meters
Square metre.
Feet
Feet
Feet and inches
metre or feet
Feet
Meters should be used to measure the length of a tennis court in metric units.
It depends which property you are measuring.
division
You would use the unit of measure called "kilograms" to measure the mass of an elephant.
There are no units of measure suitable for measuring a sport. A tennis court, net, ball, racquet, player can all be measured, but not tennis itself!
The Unit Used To Measure A Train Can Be Kilometer.