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OpenStudy (anonymous):
Express answers in simplest exact form. What is the area of a sector with measure of arc equal to 90° and radius equal to 1 foot? A =? PI sq. ft.
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OpenStudy (anonymous):
area = pi *r^2 r=1foot so area of 1/4 the circle (360 degrees in a circle your asked for 90) answer: pi/4
OpenStudy (anonymous):
heY THanks i juss need the answer im in a huge rush
OpenStudy (anonymous):
i got 12.56
OpenStudy (anonymous):
\[\pi/4\]=0.785 ft.square
OpenStudy (anonymous):
it saYs its rong
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