12. Since the length of DC is half of 10, which is 5 and using Pythagorean, it can be said 13^2 = x^2 + 5^2 so x^2 is 144
Answer:

Step-by-step explanation:
step 1
Find the diameter of the circle
the formula to calculate the distance between two points is equal to

we have
substitute the values




step 2
Find the center of the circle
The center is the midpoint of the diameter
The center is equal to


step 3
Find the equation of the circle
The equation of the circle in center radius form is equal to

we have
(h,k)=(3,2)
---> the radius is half the diameter
substitute


Answer:
part 1 of the question is d ,and part 2 of the question is b.
Answer:
5 Minutes
take 10 and add 12 for each minute until you pass 60