Please Find m∠ABC, m∠FEC in degrees. all information is on the attached document

Thank you

m<ABC=81°

m<FEC=90°

Step-by-step explanation:

M<ABC=40°30’x2=80°60’=81°

m<FEC=90°

step-by-step explanation:

1

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