Question

find the perimeter of a rectangle whose lenth 40cm and breadth 0•3m respectively​

Answer 1

Answer:

perimeter of rectangle=2(l+b)

2(30+40)

2×70

140

Answer 2

Question :

find the perimeter of a rectangle whose lenth 40cm and breadth 0•3m respectively

Solution :

given : length = 40 cm = 0.4 m

breadth = 0.3 m

perimeter of rectangle = 2( l+ b)

= 2(0.3+0.4)

= 2× 0.7

= 1.4 m