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Mathematics 18 Online
OpenStudy (tiff9702):

http://student.alphaplustesting.org/TestQuestions/maths-questions/st-maths7-ex4.2-q40.png

OpenStudy (anonymous):

the distance covered will be the diameter of circle that have an area of 5124 sq miles

OpenStudy (anonymous):

\[\pi r^2=5124\] \[r^2=\frac{ 5124 }{ \frac{ 22 }{ 7 } }=5124 \times \frac{ 7 }{22 }=\frac{ 2562 \times 7 }{ 11 }\] find r That is the required distance.

OpenStudy (tiff9702):

Soooooo..................................

OpenStudy (tiff9702):

1630.363636363636

OpenStudy (anonymous):

don't forget the square root

OpenStudy (tiff9702):

40.37776165618441

OpenStudy (tiff9702):

So A

OpenStudy (anonymous):

yea

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