[tex]\huge{\underline{\mathscr \red{QUESTION}\Huge\dag}}[/tex]
A rectangular field is measured 290 m by 210m. How long will it take for a girl to go around the field if she walk at the rate of 1.5 m/sec ?
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[tex]\huge{\underline{\mathscr \red{AnSwEr}\Huge\dag}}[/tex]
Given length of the rectangular field = 290 m
Also breadth of the rectangular field = 210m
We know that perimeter of the rectangular field = 2(Length + Breadth)
= 2(290 + 210) = 1000 m
Distance covered by the girl = 2 x Perimeter of the rectangular field
= 2 x 1000 = 2000 m
The girl walks at the rate of 1.5 m/sec.
Speed of the girl = 1.5 x 60 m/min = 90 m/min
Speed = Distance/ Time
So, time taken by the girl = Distance/Speed
= 2000/90
= 22292229 min
Hence, the girl will take 22292229 min to go two times around the field.
Hope it was helpfulll ✌️