Find the area of a sector of a circle with radius 6cm if angle of the sector is 60°.
(Take
ɵ = 60°
Area of sector ![]()
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A = 60°360° × 227 × (6)2 cm2
A = 16 × 227 × 36 cm2
= 18.86cm2
OR
Horse can graze in the field which is a circle of radius 28 cm.
So, required perimeter = 2πr = 2. π (28) cm
= 2 × 227 × (28) cm = 176 cm
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