this silde depicts how to calculate the distance between two points and the formula to determine the co ordinate of mid point
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COORDINATE GEOMETRY 'Distance between 2 points 'Mid-point of 2 points
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' 山 e 031-1 丄 , se 」 062q d 61-1!sn •SILIlOd 0 ~ U99Mleq
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Distance between two points. In general, Hence, the formula for Length Of AB or Distance between A and B is
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Find the distance between the points (-1 ,3) and (2,-6) Simply by using the formula: (-1 and (2,-6) (XI,YI) and (X2,Y2) +02 -Xl)2 Since (-6-3)2 (—9)2 +32 AB = = 9.49 units (3 sig. fig)
The mid-point 0 一 two points. Look at it's verticallength Look at it's horizontallength Formula 一 0 乛 mid-point is 十 2 一 十 2 十 十 2
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