Question 220709
The diameter of this circle is:
{{{d=10-2}}}
{{{d=8}}}
The Radius is:
{{{r=d/2}}}
{{{r=4}}}
The area of a circle is given as:
{{{A=pi(r^2)}}}
Plug in your value for r and you are done:
{{{A=pi(4^2)}}}
{{{highlight(A=16(pi))}}}
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Good Luck,
tutor_paul@yahoo.com