but it is not a rectangle.
Example 11 Show that the points A (1, 2, 3), B (–1, –2, –1), C (2, 3, 2) and D (4, 7, 6) are the vertices of a parallelogram ABCD, but it is not a rectangle.
30
Oct
Example 11 Show that the points A (1, 2, 3), B (–1, –2, –1), C (2, 3, 2) and D (4, 7, 6) are the vertices of a parallelogram ABCD, but it is not a rectangle. 1 2 2) and D(- 4 3% 6) are the vertices of a parallelogram ABCD 7) B(-1 but it [...]
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1 ,
2 ,
2) and D(- 4 ,
3% ,
6) are the vertices of a parallelogram ABCD ,
7) ,
B(-1 ,
but it is not a rectangle. ,
c = 2 ,
Example 11 Show that the points A (1 ,