(A) Perimeter remains same but area changes.
We know that, area of big rectangle = length × breadth
= 10 × 20
= 200 cm2
Area of small rectangle = 5 × 2
= 10 cm2
Perimeter of rectangle = 2(length + breadth)
= 2(20 + 10)
= 2 × 30
= 60 cm
Then, perimeter of new figure = 20 + 8 + 5 + 2 + 15 + 10
= 60
Area of new figure = Area of big rectangle – Area of new figure
= 200 – 10
= 190 cm2
By comparing all the results, Perimeter remains same but area changes.