3 years ago

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

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

8 0

Answer:

½pi or 0.5pi units²

Step-by-step explanation:

Area : angle

9pi : 2pi

x : pi/9

9pi/2pi = x/(pi/9)

4.5 × pi/9 = x

x = ½pi or 0.5pi units²

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