Question 1151650
The total area is:
{{{ pi*r^2 = pi*(15/2)^2 }}}
{{{ pi*r^2 = 3.1416*56.25 }}}
{{{ pi*r^2 = 176.715 }}} in2
and
10% of this area is:
{{{ .1*176.715 = 17.67 }}} in2