Points (4, –7) and (2, 1) are endpoints of the diameter of a circle. What is the length of the diameter? What is the center of circle? What is the equation of circle?

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aravindg · Answer

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anonymous · Answer

length of diameter will be $$sqrt{(4-2)^2+(-7-1)^2}$$

anonymous · Answer

to find the length between two points but in this case a diameter, given their coordinates,
$$\sqrt{(x _{2}-x _{1})^{2} + (y _{2}-y _{1})^{2}}$$