The area of a square lawn is 105625 m sqare .a boy is runnig along its boundary at a speed of 18km/h.in how much time will he complete two rounds of the lawn
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Area = 105625 m^2
Side = √105625 m = 325m.
Perimeter = 4 × 325 = 1300m.
Speed = 18km/h
Or in m/s = 5/18 * 18 = 5m/s.
Time= Distance/Speed
= 1300/5
=260sec.
Time for 2 rounds= 2*260 = 520sec
Or 8min 40sec.
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Side = √105625 m = 325m.
Perimeter = 4 × 325 = 1300m.
Speed = 18km/h
Or in m/s = 5/18 * 18 = 5m/s.
Time= Distance/Speed
= 1300/5
=260sec.
Time for 2 rounds= 2*260 = 520sec
Or 8min 40sec.
Please mark as brainliest if it helps you....
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