Answer:
[tex]3 ^{2} + 4 ^{2} = x ^{2} [/tex]
9+16=x^2, 25=x^2, 5=x
8^2+4^2=y^2, 64+16=y^2, 80=y^2, square root of 80=8.944,
add up all the sides 5+5+8.94+8.94=27.88
