The mat size has alot to do with safety. When fighters are "in it", they have a kind of tunnel vision so they quite often have no idea where they are in relation to the spectators and officials. That it why the referee will stop the match and reset the the fighters in the center if they get too close to the perimeter.
Australian karate is based on the Okinawa martial art of karate. Depending on the school, it can be teaching traditional karate. Most of the martial arts adjust and include techniques that are good for their area and how to counter common occurrences in their area.
The measurements that you need to find the area of a square is Area = Length x Width.
Measure the floor area diagonally from two sides of the same wall and ensure that the measurements match. Or employ the 3-4-5 rule in each corner.
Area
they are both measurements
The area
The area of any circle in square measurements = pi*radius2
Area of a parallelogram in square units = base*height
The units are incompatible. Cubic measurements are for volume, square measurements are for area.
In square units of measurements
The units are incompatible. Cubic measurements are for volume, square measurements are for area.
To find the area of the door, get its length and breadth measurements then multiply them.