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2 July, 21:23

Identify the radius for the circle in standard form

x2 + y2 - 12x - 12y + 36 = 0

Question 6 options:

a. 144

b. 12

c. 6

d. 36

+3
Answers (2)
  1. 2 July, 23:50
    0
    The radius of the circle is letter C: 6. You must rewrite the problem in standard form, then solve.
  2. 3 July, 01:15
    0
    The radius is 6

    Complete the square on the equation and get

    (x-6) ^2 + (y-6) ^2 = 36

    The circle equation is

    (x-h) ^2 + (y-k) ^2 = r^2

    Center (h, k) r=radius
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