Length of line joining two points (1, 2) and (4, 8) is:

1.	Length of line joining two points (1, 2) and (4, 8) is:
A.	3
B.	9
C.	?45
D.	45
Answer» D. 45

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Length&nbsp;of&nbsp;line&nbsp;joining&nbsp;two&nbsp;points&nbsp;(1,&nbsp;2)&nbsp;and&nbsp;(4,&nbsp;8)&nbsp;is:

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Length of line joining two points (1, 2) and (4, 8) is: