Could you help me with this math question please?

SAT_Questions
Sat, 24 May 2008 23:34:43 +0000

…Ok radius for new cirlce is r+3, You follow? Now the formula for arc length is n/360x2(pi)r, Still with me? Ok now plug in the radius to the arc length equation, now the arc length of the New circle with the radius (r+3) is equal to x, the original arc length is equal to 6, the only difference is the addition of the 3, now if you add that 3 to the 6 you get 9.