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Advocard [28]
3 years ago
9

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

Mathematics
1 answer:
WINSTONCH [101]3 years ago
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
<span><span><span>sector area = 9.6944313302 </span> </span> </span>
<span>sector area = 9.7 square meters (rounded)

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

</span>
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Step-by-step explanation:

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If you're having trouble with adding fractions with denominators that aren't the same, here are some videos (if you can't click the link, just copy and paste into the search bar):

<u>https://youtu.be/bcCLKACsYJ0</u> -- Khan Academy

<u>https://youtu.be/5juto2ze8Lg</u> -- Math Antics

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