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The area of a square field is 7200 m^2. ...

The area of a square field is `7200 m^2`. What is the length of its diagonal?
एक वर्ग का क्षेत्रफल `7200 m^2` है। इसके विकर्ण की लंबाई कया है?

A

60 m

B

1800 m

C

180 m

D

120 m

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