Question

A man walks along the diagonal side of a square field at the rate of 10 kmph for 30 minutes.whaat is the area of the square field?(in sq.km).​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Speed of man,

= 4 kmph = 

4×5184×518

 m/sec

In 3 min (180 sec) man will go = 

20×180820×1808

 = 200 m.

That means the diagonal of the square field = 200 m.

Diagonal of square,

= Side of Square × 

2–√2

  = 200 m.

→ Side of Square = 

2002–√2002

Area of Square = Side2

Area = 

200×2002200×2002

   = 20000 sqm.