<PRE><B>Question 615215</B>
A = pi*r^2


A = pi*8^2


A = pi*64


A = 64pi &lt;font color=&quot;blue&quot;&gt;&lt;&lt;&lt;---- Exact Area &lt;/font&gt;


A = 201.061929829747 &lt;font color=&quot;red&quot;&gt;&lt;&lt;&lt;---- Approximate Area &lt;/font&gt;</PRE>