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Free_Kalibri [48]
3 years ago
5

Which expression can be used to determine the length of segment ZY?

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0

As we move from point Z to point Y, x increases by 8 and y increases by 3.  Thus the length of line segment ZY is sqrt(8^2 + 3^2) = sqrt(73), by the Pythagorean Theorem.  That's approx. 8.54.

You could also leave your answer in the form √(8^2 + 3^2).

Licemer1 [7]3 years ago
5 0

Answer:


Option 2:   YZ = \sqrt{(3)^{2}+(8)^{2} }


Step-by-step explanation:

We can see that XYZ is forming right angled triangle in the given figure

where XY is Perpendicular.

XZ is Base.

YZ is Hypotenuse .

Length of XY is 3 units (refer figure)

Length of XZ is 8 units (refer figure)

Now to calculate length of ZY we will use Pythagoras theorem i.e.


(Hypotenuse)^{2} = (Perpendicular)^{2} +(Base)^{2}


By applying this theorem :


(YZ)^{2} = (XY)^{2} +(XZ)^{2}


(YZ)^{2} = (3)^{2} +(8)^{2}


⇒YZ = \sqrt{(3)^{2}+(8)^{2} }


Thus Option 2 is the correct expression to determine length of ZY i.e.YZ = \sqrt{(3)^{2}+(8)^{2} }


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