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Let C be the circle with centre (0,0) and radius 3 units. The equation of the locus of the mid points of the chords of the circle C that subtend an angle of 2 3 at its centre is

Options

  1. Ax^2+y^2= 3 -
  2. Bx^2+y^2=1
  3. Cx^2+y^2= 27 4
  4. Dx^2+y^2= 9 4

Correct answer

D. x^2+y^2= 9 4

Step-by-step solution

3 = h^2+k^2 3 h^2+k^2= 9 4

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