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Explain how the distance formula can be used to find the diameter of a circle.

Sagot :

A line segment connecting two points on the circle and going through the center is called a diameter of the circle. ... Use the Distance Formula to find the equation of the circle. √(x2−x1)2+(y2−y1)2=d. Substitute (x1,y1)=(h,k),(x2,y2)=(x,y) and d=r .