Question

the area of a rectangular piece of cardboard is 36 square cm and its length is 9 cm what is withe of this cardboard​

Answer 1

Answer:

area of rectangle =l*b

36squqre cm = 9*b

b=36/9

b=4cm

Answer 2

Answer:

Area of rectangle is length x breadth

Given, length=9cm

Area is 36 sq.cm

i.e. 9 x breadth =36

therefore breadth is 36/9=4

hence breadth is 4 cm