I am making a tree skirt and need to divide the circle into 9 wedges for decorating.
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360 deg/9=40 deg per pie slies

60 inch...???? is zat the diameter ????

if so, radius=30 inch

serkel area=pi*r*r=3.14159*30*30=900*pi

=2827.431 in sq

eech segment=serkel area/9=900*pi/9=100*pi
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