 Finding the Center of a Circle,
a selection of answers from the Dr. Math archives.
 Finding the Center of a Circle
 How can you find the center of a circle using a ruler and compass?
 Finding the Center of a Circle
from 2 Points
 How do you find the centre of a circle if you are given 2 points on
the circle and the radius?
 Finding the Center of a Circle
from 2 Points and Radius
 Given two points on a circle and the circle's radius, find the center
coordinates of the circle.
 Finding the Center of a Circle from
Three Points
 How can I find the coordinates of the center of a circle, given the
coordinates of three points on its circumference?
 Finding the Center of a Circle
Given 3 Points
 How can I find the coordinates of the center of a circle given
the x and y coordinates of 3 points that lie on its circumference?
 Radius and Center of a Circle
from 3 Points
 Given the coordinates of three points on a circle, how can you find
the center and radius?
 Radius, Center of Circle
Given 3 Points
 What is an easy formula to calculate the center point and radius
of a circle given three points on the circumference?
 Finding the Radius and Center
of a Circle
 How do I find the center and radius for the circle defined by
the equation x^2 + 8x + y^2  6y = 11?
 Finding the Center of a Circle
 How can I find the center and radius of a circle that is in the form
Ax^2 + Cy^2 + Dx + Ey + F = 0?
 Finding the Center of a Disk
 I need to find the center of a solid disk to bore a hole.
