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Mathematics 9 Online
OpenStudy (anonymous):

Write an expression in simplest form for the area of a circle with a radius of 4r. Use 3.14 for pi

OpenStudy (saifoo.khan):

Myininya, after u get free, please chk that: http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e90ce770b8bfb9f23e28af4

OpenStudy (saifoo.khan):

ty.

myininaya (myininaya):

A=pi * (radius)^2 is the area of a circle just plug in

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