D. Meters
Because it is more like yards and might be easier to work with.
D, meters
Measuring tape.
By measuring it. If you want to calculate it based on other information you know about the rectangle, please clarify what information you know.
By measuring it
lenght times the width
D, meters
Measuring tape.
The width of a highway would be best measured in meters. The length would be measured in kilometers.
It depends on what you are measuring the width of. Different units and different tools would be appropriate for a hair, a car or a galaxy.
meters
Depending on your countries standard unit of measurement but either feet or meters would be the answer.
Its length and its width. Assuming the gymnasium is the shape of a regular quadrilateral, if you multiply the length of one side by the width of the other, you will have the area.
By measuring it. If you want to calculate it based on other information you know about the rectangle, please clarify what information you know.
The SI unit used for measuring width is meters (m).
Use a metre.
By measuring it
it is lxwxh (width x hight)