Thursday

April 17, 2014

April 17, 2014

Posted by **HELP PLEASE!** on Wednesday, May 30, 2012 at 1:15am.

a.Find the center of the circle.

b.Find the radius. If your answer is not an integer, express it in radical form.

c.Write an equation for the circle.

- GEOMETRY -
**Reiny**, Wednesday, May 30, 2012 at 7:49amThe centre must be the midpoint of PQ

which would be C( (-10+4)/2 , (-2+6)/2 )

= C(-3,2)

radius is √( (4+3)^2 + (2-6)^2) = √65

equation:

(x+3)^2 + (y-2)^2 = 65

- GEOMETRY -
**anne**, Tuesday, February 4, 2014 at 7:40amLength of the diameter of a circle with the endpoints A(4, -3) and B(4, 3)

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