Circle A is shown with a central angle marked 42 degrees and the radius marked 8 inches.

Which of the following could be used to calculate the area of the sector in the circle shown above?

π(8in)42 over 360
π(42in)28 over 360
π(42in)8 over 360
π(8in)2 42 over 360 π(8in)2 42 over 360