Question

X-Y-Z and l(YZ) = 6.5, l(XY) = 4, then l(XZ) =? *

1 point

1) 10.5

2) 2.5

3) 6.9

4) 3.5

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Answer 1

l(XZ)=l(XY)+l(YZ) ---------- X-Y-Z

=4+6.5

=10.5

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