SOLUTION: the coordinates of A and B are (1,6,8) and (3,0,4) respectively. If O is the origin and P is the midpoint of AB. (i) Find the length of OP . (ii) How far apart are the midpoints

Algebra ->  Finance -> SOLUTION: the coordinates of A and B are (1,6,8) and (3,0,4) respectively. If O is the origin and P is the midpoint of AB. (i) Find the length of OP . (ii) How far apart are the midpoints      Log On


   

Question 1181085: the coordinates of A and B are (1,6,8) and (3,0,4) respectively. If O is the origin and P is the midpoint of AB.
(i) Find the length of OP .
(ii) How far apart are the midpoints of OA and OB.
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!

You only need two formulas:



and



and

O = (0,0,0)

Happy plugging in and simplifying!

Edwin