SOLUTION: Find the radius of the circle with these three points: (-9,-5) (-3,-5)and (-6,-2)and center: (-6,-5)
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Question 332303
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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)
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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