NathalyN
NathalyN
30-12-2016
Mathematics
contestada
PLEASE HELP ME HELP ME
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chrisyalamov
chrisyalamov
30-12-2016
Area of a circle= r^2*pi
Are of whole circle=16pi=50.26548246(to8d.p.)
Area of shaded sector= 16pi(the area of the circle)*(75/360)=10.47197551, because you're looking for 75°(out of 360°) worth of area
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