Answer:
Perimeter of the Rectangle = 2 × ( Length + Width )
Here,
Width = ( 9h - 1 ) centimetres
Length = ( 2h - 4 ) centimetres
Perimeter = 2 × ( 2h - 4 + 9h - 1 )
Perimeter = 2 × ( 11h - 5 )
Perimeter = ( 22h - 10 ) centimetres
- ( 22h - 10 ) centimetres is the right answer.