20
U have to divide it by 3 the ratio is 1:3
Answer:
Mate im sorry for replying here but i need points to ask a question.
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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The solution is -5/4= -1 1/4