If X-Y-Z and l(XZ)=3✓7 l(XY)=✓7 l(YZ)=?
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Answer:
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Step-by-step explanation:
Step-by-step explanation:
l(XZ)=l(XY)+l(YZ)
3√7=√7+l(YZ)
l(YZ)=3√7-√7
=√7(3-1)
=√7(2)
l(YZ)=2√7
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