SOLUTION: Find the radius of the circle with these three points: (-9,-5) (-3,-5)and (-6,-2)and center: (-6,-5)

Algebra ->  Circles -> SOLUTION: Find the radius of the circle with these three points: (-9,-5) (-3,-5)and (-6,-2)and center: (-6,-5)      Log On


   



Question 332303: Find the radius of the circle with these three points: (-9,-5) (-3,-5)and (-6,-2)and center: (-6,-5)
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The radius of a circle is the distance from the center to any point on the circle.

Use the distance formula:




where and are the coordinates of the center and any one of the other three points.

Be very careful about your signs when plugging in the coordinates and doing the arithmetic.

John

My calculator said it, I believe it, that settles it