Unit 7 polygons help please?

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)

entering that problem on the tube might get you an answer

f is the midpoint of

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.