Question

if area of a rectangle field is 3510m and length 78 . If l run with 10km per hour how much time will eill take to cover 8 rounds

Answer 1

Given, area= 3510m²

we know,

length×breadth= area

78× b = 3510

breadth= 45m

Perimeter= 2(l+b)

= 2(78+45)=2(123)=246m

=0.246km

Given, to cover 8 rounds:

Distance to be covered= 0.246×8

=1.968 km = 2km (approx.)

Speed= 10km/h

Distance= 2km

Therefore, Time= (2/10)h=(1/5)h=20 min