Equation of the circle

Find the equation of the circle with center (3,7) and circumference of 8π units.

Correct answer:

e : e=(x-3)^2 +(y-7)^2 = 16

Step-by-step explanation:

c=8π=8 3.141625.1327 r=c/(2π)=25.1327/(2 3.1416)=4  x0=3 y0=7  (xx0)2 +(yy0)2 = r2 e:e=(x3)2+(y7)2=16



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