document.write( "Question 1186787: The radius r of a circle is increasing at a rate of 2 centimeters per minute.\r
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\n" ); document.write( "\n" ); document.write( "(b) Find the rate of change of the area when r = 34 centimeters.
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Algebra.Com's Answer #817759 by ikleyn(52834) $\"\"$ $\"About$

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\n" ); document.write( "The radius r of a circle is increasing at a rate of 2 centimeters per minute.\r
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\n" ); document.write( "\n" ); document.write( "(b) Find the rate of change of the area when r = 34 centimeters.
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document.write( "  the area  of a circle is  A = .\r\n" );
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document.write( "  (a)  the rate of change the area of the circle is\r\n" );
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document.write( "            =  =  =  =  = 75.36  cm^2 per minute  (rounded).    ANSWER\r\n" );
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document.write( "  (b)  Solve  it by the same way as (a)\r\n" );
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