6. A rectangular field is 72 m by 58 m. Amar walks
m m
round it at the rate of 3 km per hour. What time
will he take in taking 2 rounds.
Answers
Answered by
2
Answer:
Dimension of rectangular field =72cm
by 58
Perimeter of rectangular field =2(l+b)
=2×(72+58)
=2×130=260m
The distance took by Amar in taking two rounds =2×260m
=520m
Speed of Amar=3 km/hr
=
3000
3×1000
m/sec =
6
5
m/s
Total times taken =
Speed
Distance
=
6
5
520
=520×
5
6
=104×
60
6
min =10.4min.
Answered by
0
Answer:
Dimension of rectangular field =72cm
by 58
Perimeter of rectangular field =2(l+b)
=2×(72+58)
=2×130=260m
The distance took by Amar in taking two rounds =2×260m
=520m
Speed of Amar=3 km/hr
= (3×1000)/3000 m/sec
= 5/6m/sec
Total times taken = Distance/Speed
= 520/(5/6)
=520×(6/5)
=104× (6/60) min
=10.4min
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