SOLUTION: A person jogged10times along the primeter of a rectangular field at the rate of 12km/h for 30 minutes.If the length that is twice it its width.Find the area of the field

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Question 1143484: A person jogged10times along the primeter of a rectangular field at the rate of 12km/h for 30 minutes.If the length that is twice it its width.Find the area of the field
Answer by greenestamps(13200) About Me  (Show Source):
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(1) 12km/hr for 30 minutes --> 6km

(2) 10 times around --> perimeter is 6km/10 = 0.6km --> semiperimeter (length + width) = 0.3km

(3) length equal to twice the width --> length 0.2km; width 0.1km

(4) area = length * width = 0.2km*0.1km = 0.02 square km