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Shantanu started cycling along the bound...

Shantanu started cycling along the boundaries of a square field ABCD from corner point A. After 1/2 h,he reached the corner point C,diagonally opposite to pointA.If his speed was16km/h,find the are a of the field.

A

8 sq km

B

9 sq km

C

32 sq km

D

none of the above

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The correct Answer is:
D
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