Answer:
First choice
Step-by-step explanation:
Slope f(x) = 1 while g(x) = 1/3: g(x) is less steep
Clockwise rotation
there is one line of symmetry if you look closely at the shape
Side of the playground would be : a²+a² = 16²
2a² = 256
a² = 128
a = √128
a = 11.31 m