This math topic focuses on calculating the fraction of a circle represented by a sector, given the sector's area and the circle's radius. It involves geometric concepts, particularly understanding of circle areas and sector proportions. Each question presents a scenario where learners find the fraction of a circle occupied by a sector with a specific area, providing answers in fractional form. This topic is an introductory overview of calculating circle sectors and their areas within the broader field of geometry.
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Find what fraction a sector with area 4/9 π is of a circle with radius 2