Consider the two vectors O A → = [ − 4 , 2 , 4 ] {\displaystyle {\vec {OA}}=[-4,2,4]} and O B → = [ − 6 , 3 , 2 ] {\displaystyle {\vec {OB}}=[-6,3,2]} . What is the circumference of the triangle OAB? (The circumference, also known as the perimeter, is the sum of the legths of the three edges.)
![{\displaystyle {\vec {OA}}=[-4,2,4]}](https://wiki.ubc.ca/api/rest_v1/media/math/render/svg/e3123cfc380ce6f995f2cac0a76d581572cd6103)
and ![{\displaystyle {\vec {OB}}=[-6,3,2]}](https://wiki.ubc.ca/api/rest_v1/media/math/render/svg/275a18f0bb74e5a65c956db53e5e619d714dcd9c)
. What is the circumference of the triangle OAB? (The circumference, also known as the
perimeter, is the sum of the legths of the three edges.)
