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## Homework Statement

Find an arc length parametrization of the circle in the plane z=5 with radius 6 and center (4,1,5)

## Homework Equations

||r'(t)||=r'(u)

s=integral r'(u)du

## The Attempt at a Solution

I get the equation of the circle to be (x-4)^2+(y-1)^2+(z-5)^2=6^2

Not sure where to go from here. Make x=t and then solve for y and z? That seems like to mcuh work for this problem. What am I missing?