A rectangular field is 72m by 58m.keya walks around it at the rate of 3 km per hour how long will she take to make 3 rounds
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Perimeter of field = 2 ( 72+58)
= 260 m
To make three rounds, she need need to cover a distance of = 3×260 = 780 m = .78 km
Speed = 3 km / hr
Now the formula for speed = distance/time
Time = distance / speed
= 0.78/3
= 0.26 hr.
= 0.26 × 60
= 15.6 min.
Hope it may help you !!!!!
Pls mark as brainlest !!!!
= 260 m
To make three rounds, she need need to cover a distance of = 3×260 = 780 m = .78 km
Speed = 3 km / hr
Now the formula for speed = distance/time
Time = distance / speed
= 0.78/3
= 0.26 hr.
= 0.26 × 60
= 15.6 min.
Hope it may help you !!!!!
Pls mark as brainlest !!!!
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