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The point (7,-9) lies on a circle. What is the length of the radius of this circle if center is located at (5,-7)?
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The point (7,-9) lies on a circle. What is the length of the radius of this circle if center is located at (5,-7)?

User Bishal Ghimire
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1 Answer

6 votes
For this all you have to do is find the distance between the two points. Since you have the centre and a point the lies on the circle, the radius is simply the distance from the centre to the point. 
User Emma Ramirez
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