The area of a rectangular field is 3584 m² and its length is 64 m. A boy runs around the field at the rate of 6km/h. How long will he take to go 5 times around it? 

Asked by Sukritsamir92 | 14th Jan, 2019, 11:56: AM

Expert Answer:

Area of a reactangke = 3584 m² and length = 64 m

Area of a rectangle = l × b
b = 3584 ÷ 64 = 56 m
 
Perimeter of a reactangle = 2(l + b) = 2(64 + 56) = 240 m
 
Total distance = 240 × 5 = 1200 m
 
Time = 1200 ÷ 6 = 200 hours

Answered by Yasmeen Khan | 14th Jan, 2019, 12:43: PM

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