Question 855366
That is correct.  The area of a circle is {{{pi*r^2}}}.  To find the portion of the circle's area within a sector, divide the sector's central angle by 360 degrees or by {{{2pi}}}.<P>
{{{(4.3 * pi*(5.5)^2)/(2*pi) = 4.3 * (5.5)^2 / 2}}}