Length of rectangular garden = 90 m and breadth of rectangular garden = 75 m
Outer length of rectangular garden with path
= 90 + 5 + 5 = 100 m
= 75 + 5 + 5 = 85 m
Outer area of rectangular garden with path
= length x breadth = 100 x 85 = 8,500 m2
Inner area of garden without path = length x breadth
= 90 x 75 = 6,750 m2
Now Area of path = Area of garden with path – Area of garden without path
= 8,500 – 6,750
= 1,750 m2
Since, 1 m2 =1/10000 hectares
Therefore, 6,750 m2 = 6750
= 0.675 hectares