Step-by-step explanation:
[tex]sa = 2\pi(r)(h) + 2\pi{(r) }^{2} [/tex]
[tex]sa = 2\pi(5)(2) + 2\pi{(5) }^{2} [/tex]
[tex]sa = 20\pi + 50\pi[/tex]
[tex]sa = 70\pi[/tex]
