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Find the area of a sector of a circle with radius 6cm if angle of the sector 60°. |
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Answer» 132/7 or 18.85 (approx) Jjn Given : Angle of sector, θ = 60° and radius, r = 6cmTo find : Area of sector of a circleFormula used: Area of sector,A = θ/360° × πr²Solution: Given : θ = 60° and r = 6cmArea of sector,A = θ/360° × πr²A = 60°/360° × π × 6 × 6A =1/6 × 22/7 × 6 × 6A = 22/7 × 36A = (22 × 36)/7A = 132/7 cm²Hence, area of sector of a circle with radius 6 cm and θ = 60° is 132/7 cm². |
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