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Mathematics 18 Online
OpenStudy (anonymous):

please help! if the diamter of the circle has endpoints at (-2,4) and (3,8), what is the length of the radius of the circle?

OpenStudy (cwrw238):

find the length of the line joining the 2 points and divide the answer by 2

OpenStudy (anonymous):

Um, not really sure what that means

OpenStudy (anonymous):

Find the distance between the points and divide by 2

OpenStudy (anonymous):

so that would bewhat around4ish

OpenStudy (cwrw238):

the formula for the length of a line joining (x1,y1) and (x2,y2) = sqrt [(x2-x1) ^2 + y2-y1)^2] which is the Pythagoras theorem

OpenStudy (anonymous):

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