Your question presumes that tree trunks are all circular. If you happen to find a circular tree trunk, you would measure around it to find the circumference.
If the tree trunk is not circular, you will not be able to find the circumference but, you can measure around it to determine its perimeter.
21.17
21.17
19.54 ft^3 APEX
A cloth tape / flexible measure.
It is a saratoga trunk
Answer this question… 24.43 ft3
C5 has a very large trunk area.
A large piece of luggage, short for steamer trunk
Most likely it is coming in throgh the trunk seal. On a dry day wash your car and then open the trunk and see if the trunk seal is wet and there is a trail of water entering the trunk
It is aroud 30ft\
A trunk.
Just multiply the diameter by pi. 23 * 3.14 = 72.22. 72.22 inches is the circumference.