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OpenStudy (anonymous):
the circle has a radius of 10 cm and arc AB=90 what is the area
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OpenStudy (anonymous):
The area of a circle is pi r^2
OpenStudy (anonymous):
78.539816339744830961566084581988 Area=(90/360)*Pi*r^2 m= measurement of central angle r= radius
OpenStudy (anonymous):
ANSWER=78.539816339744830961566084581988
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