This math topic focuses on calculating the area of a shaded sector in a circle. It involves using the radius and angle of the sector to determine the sector area. The topic covers seven problems, each presenting a different circle with a shaded sector. For each problem, students are provided with multiple-choice answers, requiring them to calculate and select the correct sector area. The topic falls under intermediate geometry practice and helps in understanding the application of circle geometry concepts.
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What is the area of the shaded sector of the circle?