Question

A rectangular field is 50m ×40m . Ramesh goes 20 times round it . How much distance does he cover .

Answer 1

• Perimeter = 2(l+b)

 2(50+40) = 2 x 90 = 180 m

Distance covered in 20 round = 180 x 20 = 3600 m

Answer 2

perimeter =2(l+b)
=2 (50+40)
2 (90)
180 m
for 20 round 180×20
=3600m