Question

If d(X,Y)=15, d (Y,Z)=7, d(X,Z)=8,determine whether points X,Y,Z, are collinear or non-collinear​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

We have, d(X,Y)= 15; d(Y,Z) = 7; d(X, Z) = 8

Now, d(X, Z) + d(Y,Z) = 7+8 Or, d(X, Z) + d(Z, Y) = 15

- d(X, Y) = d(X, Z) + d(Z, Y)

Hence, the points X, Z and Y are collinear.

The point Z is between X and Y i.e., X-Z Y.

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