[tex] \longrightarrow \tt {c}^{2} + a [/tex]
[tex] \\ [/tex]
[tex] \longrightarrow \tt {9}^{2} + \dfrac{1}{2} [/tex]
[tex] \\ \\ [/tex]
[tex] \longrightarrow \tt 81+ \dfrac{1}{2} [/tex]
[tex] \\ \\ [/tex]
[tex] \longrightarrow \tt 81+0.5[/tex]
[tex] \\ \\ [/tex]
[tex] \longrightarrow \tt 81.5[/tex]
