Can anyone help me please.
I’ll mark you as a brainliest.
No links though :/

Here's the solution,

we know,

=》

=》

=》

=》

=》

=》

=》

hence, the value of r = -69

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