Question

.If X-Y-Z and d(X,Y) = 5 , d(Y,Z)=7 , d(X,Z)=? *

1 point

11

12

13

14

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Answer 1

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Given,

d(X,Y) = 5

d(Y,Z)=7

Now,

d(X,Z) = ( 7+5 )

= 12

Answer 2

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Points X, Y, Z are collinear such that d(X,Y)=17, d(Y,Z)=8,

d(X,Z) = 25 or 9

Step-by-step explanation:

d(X,Y)=17,

d(Y,Z)=8

now if Z is not in between X & Y

then

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

=> d(X,Z) = 17 + 8 = 25

now if Z is in between X & Y

then

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

=> d(X,Z) = 17 - 8 = 9