Circles: Area of Sectors

Express the required measurement in exact form.

1. A bicycle wheel with radius 26" rotates through an arc that measures 80°. What is the length of the arc of the tire that touched the ground?

_________pi. inches

2. If the length of an arc is 12image inches and the radius of the circle is 10 inches, what is the measure of the arc?

degrees

 

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