Answer:
[tex]\sqrt{157}\\[/tex] or 12.5
Step-by-step explanation:
Use Pythagorean Theorem: a^2 + b^2 = c^2
11 squared plus 4 squared is 157.
157 = c squared
square root both sides then u get c or x = [tex]\sqrt{157}\\[/tex]
plug into calculator then round and u get 12.5
