Answer:b
10 to 20 is 10 and 80 to 60 is -20 so it’s -20/10 which is -2
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
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<span>sector area = 9.7 square meters (rounded)
Source:
http://www.1728.org/radians.htm
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Answer:
30 square inches
Step-by-step explanation:
