The author posted a question in Homework
Geometry help how much can you? and got a better answer
Response from Антон Владимирович[+++++]
Response from 0[+]
In the first 90 degrees in the second the condition is not clear namely avector x b vector=135 degrees but if you leave that part out the answer is 144.
In the first 90 degrees in the second the condition is not clear namely avector x b vector=135 degrees but if you leave that part out the answer is 144.