Question

The XYZ is right angled at vertex Z. Calculate the length of YZ,if: XY =15 cm,XZ=9cm​

Answer 1

Answer:

by pythagors theorem

in triangle XYZ

H^2=B^2+P^2

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

15^2=YZ^2+9^2

225=YZ^2+81

225-81=YZ^2

144=YZ^2

12=YZ