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Question

The area of a square field is 0.5 hectare. The length of its diagonal is

(a) 150m (b) 1002m (b) 100m (b) 502m

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Solution

Correct option is (b). 100m

We know that, 1 hectare =10,000m2

Therefore, Area of square field =0.5×10,000=5000m2

If a is the side of the square, then,

a2=5000

a2=2500×2

a=502m

Now, diagonal of a square is a2

Therefore, diagonal of the field =502×2=100m


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