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Mathematics 18 Online
OpenStudy (anonymous):

Calculate the area of the sector bound by the given central angle.

OpenStudy (anonymous):

A. 14π/3 B. 14π C. 7π/9 D. 7π/3

OpenStudy (gorv):

area=1/2*theta*r^2 theta must be in radians

OpenStudy (gorv):

to convert in radian=theta *pi/180

OpenStudy (gorv):

=1/2*(140*pi/180)*6^2

OpenStudy (anonymous):

do u times the 6/180

OpenStudy (gorv):

\[\frac{ 1 }{ 2 }*140*\frac{ \pi }{ 180 }*6^{2}\]

OpenStudy (anonymous):

43.9822971503

OpenStudy (gorv):

loll ur ans have pi

OpenStudy (gorv):

(140/2)*pi*(36/180)=70*pi*1/5=(70/5)*pi=14pi

OpenStudy (amistre64):

since the portion of the full circle is 140 out of 360 .... take 140/360 of the area of the full circle

OpenStudy (anonymous):

its b.

OpenStudy (gorv):

yeah b

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