4 years ago

a circle with a area of 9 pi has a sector with a central angle of 1/9 pi radiant what is the area of the sector

2 answers:

7 0

The area of a sector of a circle is ½ r² ∅, where r is the radius and ∅ the angle in radians subtended by the arc at the centre of the circle.

arsen [322]4 years ago

5 0

Answer:

½ pi

Step-by-step explanation:

Area of sector

= ((pi/9)/2pi) × area of the circle

= (1/18) × 9pi

= ½ pi

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RideAnS [48]

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