Step-by-step explanation:

Length = 20 cm

Breadth = 25 cm

area of ractangle = length ×breadth

= 20 ×25

= 500 square cm

And,

Perimeter of ractangle = 2(length +breadth)

= 2( 20 + 25)

= 2× 45

= 90 cm

Answer:

90 cm ok..................!