keliling bangun xyz adalah...m

[tex]xz = \sqrt{ {xy}^{2} + {yz}^{2} } \\ = \sqrt{ {5}^{2} + {12}^{2} } \\ = \sqrt{25 + 144} \\ = \sqrt{169} \\ = 13cm[/tex]
Keliling XYZ= XY+XZ+YZ
= 5+12+13
=30 cm