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Mathematics 7 Online
OpenStudy (anonymous):

The size of a bicycle is determined by the diameter of the wheel. You want a 22-in bicycle for your birthday. What is the area of one of the wheels?

OpenStudy (anonymous):

\[Diameter=2*radius \] Diameter=22 now with this information can you tell me the radius? The radius is important when solving the area of a circle. Ill explain more after you give me the radius

OpenStudy (anonymous):

11

OpenStudy (anonymous):

great radius=r=11 The formula for the area of a circle is \[\pi r^2=area\] so just plug in the r and solve it

OpenStudy (anonymous):

i got 379 ?

OpenStudy (anonymous):

yup I got 380 so I thing u forgot to round up

OpenStudy (anonymous):

yes i did , thnx for the help

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