Q5F Arc Length

Here is the Video for class and this Quiz in case you get stuck and need a little more help. You can also email me at ssheridan@alpinedistrict.org, or drop into the classroom for help.  Goal on quizzes is above an 80%.  Please redo it until you conquer! 
Remember you can also come into Battle Hour for help.
Video Link
https://drive.google.com/file/d/0B_nNWufRXbZxdEdCVnNXaGl3WDg/view
Determine the EXACT value of 

sec(225) 

 

 

What radian angle has been illustrated above?  (Your answer should contain the  symbol.)

angle =  

 
  Find the exact value written as a whole number or fraction.






Find the length of an arc with a Radian Measure of  and a Radius of 7cm.

cm