Question 1210244
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The great circle of the sphere is a circle with radius 1/2; its area is {{{(pi)(r^2)=(1/4)pi}}}.<br>
The area of the circle in this problem is 64% of the area of the great circle.<br>
{{{((1/4)pi)(64/100)=(16/100)pi=(4/25)pi}}}<br>
ANSWER: {{{(4/25)pi}}}<br>