1.2.2 Midpoint and Distance in the Coordinate Plane − Practice
1. Find the coordinates of the midpoint of RS , which has endpoints R (6, −1) and S (4, 3).
2. B is the midpoint of AC . A has coordinates (−5, 8), and B has coordinates (0, 0). Identify the coordinates of C .
3. X is the midpoint of AB . B has coordinates (12, −7), and X has coordinates (3, −1). Identify the coordinates of A .
4. Find the distance, to the nearest tenth, between F (3, −4) and G (−8, 3).
5. Find the lengths of UV and ST and determine whether they are congruent.
6. The coordinates of the vertices of △ ABC are A (−2, 2), B (5, −3), and C (−4, −1). Identify the perimeter of △ ABC . Round each side length to the nearest tenth before adding.
( Hint : Congruent line segments have the same length.)
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