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| 1. |
Show that the points A(0, 7, 10), B(-1, 6, 6) and C(-4, 9,6) form an isosceles right-angled triangle. |
| Answer» Show that the points A(0, 7, 10), B(-1, 6, 6) and C(-4, 9,6) form an isosceles right-angled triangle. | |