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graph a circle with center (-2, 1) that passes through (-4, 1). Find the area and circumference both in terms of pi and to the nearest tenth.

 Mar 2, 2016
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The radius = 2

 

Area = pi *(2)^2   = 4pi  units^2  = about 12.6 units^2

 

Circumference = 2 * pi * (2)  = 4pi units = about  12.6 units

 

Here's the graph :   https://www.desmos.com/calculator/hgdvgjthgp

 

 

cool cool cool

 Mar 2, 2016

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