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प्रश्न
From the information given below, find which of the point is between the other two. If the points are not collinear, state so.
d(D, E) = 5, d(E, F) = 8, d(D, F) = 6
उत्तर
We have,
d(D, E) = 5, d(E, F) = 8, d(D, F) = 6
Now,
5 + 8 = 13, so 5 + 8 ≠ 6;
8 + 6 = 14, so 8 + 6 ≠ 5
and 5 + 6 = 11, so 5 + 6 ≠ 8
Since, the sum of the distances between two pairs of points is not equal to the distance between the third pair of points, so the given points D, E and F are non-collinear.
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