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OpenStudy (andertj21):
The center of a circle is at the origin. An endpoint of a diameter of the circle is at (-3, -4). How long is the diameter of the circle? 5 10 25
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OpenStudy (anonymous):
use this formula...distance formula. as bellow.. \[d=\sqrt{(x2-x1)^2+(y2-y1)^2}\] you will get ans
OpenStudy (anonymous):
it will be 5.
OpenStudy (andertj21):
OK thanks:)
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