in the diagram,MNO is a right angled triangle,Mn=13 cm and MN is 5 cm. Find the value of x

Answer:
x = 12
Step-by-step explanation:
Pythagoras' Theorem
[tex]a^{2} = b^{2} + c^{2}[/tex]
a = 13
b = 5
c = x
[tex]13^{2} = 5^{2} + x^{2}\\169 = 25 + x^{2}\\169 - 25 = x^{2}\\144 = x^{2}\\12 = x[/tex]