a)
[tex] {x}^{2} + {5}^{2} = { (\frac{y}{2}) }^{2} [/tex]
b)
[tex](x + 1 {)}^{2} + {s}^{2} = {t}^{2} [/tex]
c)
[tex] {k}^{2} + {6}^{2} = (b + 1 {)}^{2} [/tex]
d)
[tex] {2}^{2} + (a - 2 {)}^{2} = ( \frac{k}{5} {)}^{2} [/tex]
e)
[tex] {18}^{2} + {a}^{2} = {(2a)}^{2} [/tex]
f)
[tex] {p}^{2} + {m}^{2} = {n}^{2} [/tex]
