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Mathematics 8 Online
OpenStudy (anonymous):

what is the radius of a circle whose diameter has end ponts -3,-2 and 7,8. whats the steps?

OpenStudy (campbell_st):

find the distance between the end points using the formula \[d = \sqrt{(x_{2} - x_{1})^2 + (y_{2} - y_{1})^2}\] then halve the distance for the radius.

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