Question

Find the area of a sector of a circle where central angle is 30degree and the radius of the circle is 42cm

Answer 1

Answer:

Area of sector = @/360(πr²)

Area = 30/360(22/7 * 42 * 42)

= (1/12) * 22* 6* 42

= 11*42

= 462 cm²

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Answer 2

Answer:

Area of the sector

Xxπr 2/360=30x22,x42^2 / 360x7

= 462cm2