Paco, the class president, surveys 280 students about the prices in the school cafeteria 70% of
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Actually Welcome to the concept of area of sector.
Area of sector = theta/360° * πr^2
==> theta = 62°
hence, area = (62/360)* π*(15)^2
==> Area of sector = 121.67 cm^2
hence Area = 121.67 cm^2