Question

rectangular playground has length 42 cm and breadth is 20 metre what is the distance covered by man in the round​

Answer 1

Answer:

4084cm

Step-by-step explanation:

perimeter =2×(l+b)

length=42cm so breadth =20×100=2000

p=2×(42+2000)

=2×2042

=4084cm

Answer 2

Answer:

perimeter of rectangle =2×(l+b)

length= 42cm

breadth=20m

change breadth into cm=20×100

=200cm

perimeter=2(42+200)cm

=2×242cm

484cm