दो वर्गाकार खेतों का क्षेत्रफल क्रमशः $420.25 \; m^2$ और $441 \; m^2$ है। उनकी भुजाओं का अनुपात क्या है?

  • A
    $20:21$
  • B
    $40:41$
  • C
    $41:42$
  • D
    $40:42$

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