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1£©sketch six points a b c d e and f, no three of which are collinear. name the lines defined by these points. how many lines are there¡£¡£

2£©describe a way to find points that divide a segment into fourths¡£

3£©a classmate tells you " finding the coordinates of a midpoint is easy. you just find the averages." is there a any trith to it ? explain what you think your classmate means