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OpenStudy (anonymous):
TRIGONOMETRY: If the central angle theta =10rad, and the area of the sector formed is 25square units, find the AREA of the circle. TRIGONOMETRY: If the central angle theta =10rad, and the area of the sector formed is 25square units, find the AREA of the circle. @Mathematics
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OpenStudy (ash2326):
sorry Area of sector =pi*r^2*theta/2pi 25=pi*r^2*10/2pi pi*r^2=25*2pi/10 Area of circle=15.7
OpenStudy (anonymous):
\[\exp\]
OpenStudy (anonymous):
Area of circle=15.7
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