Calculate the area of a sector of a circle with... - JSS3 Mathematics Area of Plane Figures II Question
Calculate the area of a sector of a circle with radius 12 cm and a central angle of 90∘.
Area of Sector=90∘/360∘×𝜋×(12 cm)^2
Area of Sector=¼×𝜋×144
Area of Sector=36𝜋
Area of Sector ≈ 113.10 square centimeters
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