step-by-step explanation:
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hello from mrbilldoesmath!
answer: x^2 + y^2 = 1024
discussion:
the equation of a circle with center (h,k) and radius "r" is
(x-h)^2 + (y-k)^2 = r^2.
in our case
(x-0)^2 + (y-0) ^2 = 32^2 = 1024
you,
mrb
5 + 8 +7 + 4 + 0 +1 = 25