N ΔXYZ, ∠Y = 90°, l(XZ) = 5 cm and l(XY) = 3 cm. What is the lengt – InterviewSolution

1.

N ΔXYZ, ∠Y = 90°, l(XZ) = 5 cm and l(XY) = 3 cm. What is the lengthof seg (YZ)?

Answer»

ong>Answer:

by Pythagoras THEOREM

(XZ) ²= (XY) ²+(YZ) ²

5²=3²+(yz) ²

25=9+(yz) ²

(yz) ²=25-9

(yz) ²= 16

yz=√16

yz=4cm

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