Answer:
13.3 cm
Step-by-step explanation:
We can use the Pythagoream Theorem to identify any missing angles!
[tex]a^{2} +b^2=c^2[/tex]
In this case, will leave c for a^2!
[tex]a^2+20^2=24^2[/tex]
[tex]a^2+400=576[/tex]
[tex]576-400=a^2[/tex]
[tex]a^2=176[/tex]
[tex]\sqrt{176} = 13.3[/tex]
