Asked by manisha
a rectangular field is measured 290m by 219m.how long it will take for a girl to go to 2 times round the field.if she walks at the rate of 1.5m per sec.
Answers
Answered by
Dr Russ
calculate the perimeter
=(290+219+290+219)m
i.e. the distance around the rectangle.
distance travelled is twice this so
=2x(290+219+290+219)m
time taken is then distance/speed
=(290+219+290+219)m
i.e. the distance around the rectangle.
distance travelled is twice this so
=2x(290+219+290+219)m
time taken is then distance/speed
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