A rectangle field is 72 m by 58 m. Keya walk around it at the rate of 3 km per hours .How long will she talk to make 3 round
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Step-by-step explanation:
Perimeter=2(72+58)=2(130)=260m
3 rounds=3*260=780m=.780Km
Speed=Distance/time
3=.780/time
time=.780/3=.26hours
=15.6minutes
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