Arm span is used used as a unit of measurement during the ancient times. As time goes by, people discontinued from using this method because every human being have their own unique measurement of every part of their body. This method 9f using arm span also gives inaccurate measurements which make the data it unreliable.
1440Hey ;)Hope this helps...
Add up all the degrees
subtract 1080 from the number of degrees you added up to get your answer of 160.Hey ;)Hope this helps...