At the beginning of the year, we discussed that students should be able to solve problems the way that works for them. Solve the problem below using the formula of your choice:

fraction of the circle x circumference = arc length

OR

arc length = 2*pi*r*angle/360

or

pi*d*angle/360 .

Problem: Find length of minor arc AB.

Image result for arc length problem

Show or explain your steps and the benefits of the formula you chose.