Answer:
ok
Step-by-step explanation:
Answer:
a because I dont know why but some one told me it was this
Answer:
60.7420...
Step-by-step explanation:

Explanation
Step 1
We know that the general equation for a circle is

where
(h,k) is the center of the circel
and r is the radius
then, all we need to do is replace
Let

replace the values

therefore, the answer is

I hope this helps you
Answer:
D. be congruent
Step-by-step explanation:
vertical angles are angles that are across from each other on intersecting lines and they are always congruent