math

posted by .

Line AB is the diameter of circle C. If the endpoints of the diameter are A(3, -4) and B(-2, 5), what are the coordinates of the center of the circle C?

I've forgotten how to do this, heh heh... help please?

  • math -

    The x and the y values of the midpoint (center) are the averages of the x and y values of A and B. The average x value of A and B is 1/2. The average y value is ___ .

  • math -

    Isn't there some distance formula...?

  • math -

    Yes. I just described it.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Geometry

    Prove that the tangents to a circle at the endpoints of a diameter are parallel. State what is given, what is to be proved, and your plan of proof. Then write a two-column proof. Hint draw a DIAGRAM with the points labeled. Can some …
  2. math

    A diameter of circle that has endpoints (-4,12) and (8,-2), as shown below, is in the standard (x,y) coordinate plane. What point is the center of the circle?
  3. Math

    The points (4, –5) and (– 4, 1) are endpoints of a diameter of a circle. (a) Find the center of the circle. (b) Find the length of the radius of the circle. (Note that this is a distance.) Give the exact answer. Show work. (c) …
  4. Math

    The points (4, –5) and (– 4, 1) are endpoints of a diameter of a circle. Find the center of the circle.
  5. Calculus

    Points (–1, 6) and (–3, 2) are endpoints of the diameter of a circle. (a) What is the exact length of the diameter?
  6. geometry

    the endpoints of the diameter of circle O are (-2,-1) and (-16,13). what are the coordinates of its center?
  7. geometry

    a circle has diameter endpoints of A(5,10) and B(-3,4). what are the coordinates of the center of the circle
  8. summer math hw

    one circle has a diameter of 10 inches. a second circle has a diameter that is twice the diameter of the first circle What is the ratio of the area of the smaller circle to the larger circle
  9. Geometry midpoint formula

    A circle on the Coordinate plane has a diameter with endpoints at (6,8) and (15,8). What are the coordinates of the center of the circle?
  10. geometry

    2. For the circle with equation (x – 2)2 + (y + 3)2 = 9, answer each question: a) What are the coordinates of the center?

More Similar Questions