Answer:

Step-by-step explanation:

=)

5

AB/EF=BC/FG

4/(X+3)=3/(2X-4)

4(2X-4)=3(X+3)

8X-16=3X+9

8X-3X=16+9

5X=25

X=25/5

X=5

Side of the playground would be : a²+a² = 16²

2a² = 256

a² = 128

a = √128

a = 11.31 m

D