The area of the front face of the analog clock shown below is 153.86 square inches. The length of the minute hand is 0.2 inches less than the radius of the front face.

What is the length of the arc, rounded to the nearest hundredth of an inch, the minute hand makes when it moves from the number 8 to the number 2 on the clock?
Answer
3.56 inches
6.80 inches
10.68 inches
21.35 inches

Question

The area of the front face of the analog clock shown below is 153.86 square inches.  The length of the minute hand is 0.2 inches less than the radius of the front face.
 


What is the length of the arc, rounded to the nearest hundredth of an inch, the minute hand makes when it moves from the number 8 to the number 2 on the clock?
Answer
		3.56 inches
		6.80 inches
		10.68 inches
		21.35 inches

jsramos08 · Answer

I know the radius is 6.80, I'm pretty sure.