Length of line joining two points (x1, y1) and (x2, y2) is:

1.	Length of line joining two points (x1, y1) and (x2, y2) is:
A.	(x2 - x1) + (y2 - y1)
B.	?((x2 - x1) + (y2 - y1))
C.	?((x2 - x1)2 + (y2 - y1)2)
D.	(y2 - y1) ⁄ (x2 - x1)
Answer» D. (y2 - y1) ⁄ (x2 - x1)

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Length of line joining two points (x1, y1) and (x2, y2) is: