10 in.
9 in.
11 in.
help please!!!

[tex] \pink{\boxed{\rm Answer + Explain}} [/tex]
.
[tex] \rm L = base \times hight [/tex]
[tex] \rm L = 11 \times 9 [/tex]
[tex] \blue{\boxed{\rm L = 99 {in}^{2}}} [/tex]
.
[tex] \rm = (2 \times base) + (2 \times side) [/tex]
[tex] \rm = (2 \times 11) + (2 \times 10) [/tex]
[tex] \rm = 22 + 20 [/tex]
[tex] \blue{\boxed{ \rm = 42 in }} [/tex]