7. In the right triangle XYZ, ZY = 90°. If XZ = 25 cm, YZ = 15 cm, find XY.
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Step-by-step explanation:
using img and Pythagoras theorem
(opposite side)²+(adjacent side)² = (Hypotenuse)²
=> (opposite side)² + (17)² = (25)²
=> (opposite side)² + 289 = 625
=> (opposite side)² = 625 - 289
=> (opposite side)² = 336
=> (opposite side) = √336
=> (opposite side) = 18.3303027798
Conclusion :-
So the value of XY = 18.3303027798 cm
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