Find the area of a sector of a circle,radius 4cm bounded by an arc of length 5cm
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Perimeter of the circle would 2(3.14)(4)=25.12
Since 5cm is approximately 1/5 of the perimeter then the area would also be 1/5 of total area i.e.
3.14(16)=50.24
50.24(5/25.12)=10cm^2
Since 5cm is approximately 1/5 of the perimeter then the area would also be 1/5 of total area i.e.
3.14(16)=50.24
50.24(5/25.12)=10cm^2
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