Need help I don't know the answer

Yes, she could verify her answer if she double checked it before submitting her final answer. I think this is right? I´m not sure though.

Step-by-step explanation:

No she could not verify because she instead of getting 7 1/2 she got 5 1/2.

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