The point (-3,-6) lies on a circle. what is the length of the radius of the circle if the center is located at (9,-2)

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04-02-2018
Mathematics

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The point (-3,-6) lies on a circle. what is the length of the radius of the circle if the center is located at (9,-2)

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tynollette tynollette · Answer 1 · 2018-02-04T05:29:37+01:00

tynollette tynollette

04-02-2018

you find out the distance between those two points by using the distance formula.
d= the square root of [(9-(-3)]²+[(-2-(-6)]²=√(144+16)=√160=4√10
the radius is 4√10

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