Asked by Florence
The arc of a circle of radius 20 cm subtends an angle of 120° at the centre. Use the value 3.142 for π to calculate the area of the sector correct to the nearest cm square
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Answered by
Florence
Please correct answer
Answered by
mathhelper
area of sector/(20^2 π) = 120/360
area of sector = (1/3)(400π) cm^2
= ....
area of sector = (1/3)(400π) cm^2
= ....
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