3 years ago

What is the area of a sector with a central angle of 210 degrees and a diameter of 4.6m?

1 answer:

8 0

Sector area = (central angle / 360) * PI * radius^2
sector area = (210 / 360) * PI * 2.3^2
sector area = (7 / 12) * PI * 5.29
sector area = 9.6944313302 
sector area = 9.7 square meters (rounded)

Source:
http://www.1728.org/radians.htm

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