# Quick question about finding distance between the centres of 2 circles?

## Homework Statement

Lets say you have the equation of 2 circles ok, and it asks you to find the distance between the centres of the 2 circles. Is that what you do...?

1) Find the center of each circle by completing the sqaure.

2) Enter those 2 centres into a distance formula: d = √(x2-x1)^2 + (y2-y1)^2

Is that it?

## The Attempt at a Solution

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## Homework Statement

Lets say you have the equation of 2 circles ok, and it asks you to find the distance between the centres of the 2 circles. Is that what you do...?

1) Find the center of each circle by completing the sqaure.

2) Enter those 2 centres into a distance formula: d = √(x2-x1)^2 + (y2-y1)^2

Is that it?
Yes.

2) Enter those 2 centres into a distance formula: d = √(x2-x1)^2 + (y2-y1)^2

Not sure if you typed it wrong or not. Just to clarify, the equation is: √((X2-X1)2+(Y2-Y1)2)