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anonymous
 one year ago
If the points (4, 1) and (2, 1) are the endpoints of a diameter of a circle, where is the center?
anonymous
 one year ago
If the points (4, 1) and (2, 1) are the endpoints of a diameter of a circle, where is the center?

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rock_mit182
 one year ago
Best ResponseYou've already chosen the best response.0easy one fin the distance between those points

rock_mit182
 one year ago
Best ResponseYou've already chosen the best response.0p1 = (4,1) p2 = (2,1) distance between P1 and P2 is given by : \[\sqrt{(x _{2}x _{1})^{2} + (y _{2}y_{1})^2}\]

disqin
 one year ago
Best ResponseYou've already chosen the best response.2Think! What's a diameter? . . . A line segments passing through the center that connects the opposite sides of circle. Plus, center lies at the mid point of the line. Hence center coordinates will be (by section method).. \[x=\frac{x_1+x_2}{2}=1\] and \[y=\frac{y_1+y_2}{2}=1\]

rock_mit182
 one year ago
Best ResponseYou've already chosen the best response.0now divide the distance by 2 since the diameter is equal to : 2r (where r is the radius)
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