This math topic focuses on calculating the fraction of a circle's circumference based on the arc length and the radius. The problems involve using geometric knowledge related to circles' circumferences to determine what fraction of the circle's perimeter corresponds to a given arc length when the circle's radius is known. Each question presents different scenarios with specific arc lengths and radius values, testing the student's ability to apply formulas and understand concepts within circle geometry.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.