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OpenStudy (anonymous):
what is the equation of a circle whose center is at the origin and whose diameter has endpoints (-1, 2) and (1, -2)?
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OpenStudy (anonymous):
You need to calculate the radius....
OpenStudy (anonymous):
okay explain .
OpenStudy (anonymous):
Have u tried drawing a diagram of the question? Pythagorus is all that is necessary to get the radius.
OpenStudy (anonymous):
um okay can you give me the answer
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