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Help! (x-9)^2 + (y-4)^2 = 36 h=? k=? radius=? diameter=?
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22 votes
22 votes
Help!
(x-9)^2 + (y-4)^2 = 36
h=?
k=?
radius=?
diameter=?

User Chacmool
by
2.7k points

1 Answer

13 votes
13 votes

Answer:

Given equation:

  • (x-9)^2 + (y-4)^2 = 36

Equation of circle:

  • (x - h)^2 + (y - k)^2 = r^2

Compare and get the values:

  • h = 9
  • k = 4
  • r ^2 = 36 ⇒ r = 6
  • d = 2r = 2*6 = 12
User Antonio Narkevich
by
2.7k points
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