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एक आयताकार बाग की लंबाई और चौड़ाई में अनुपात 3:2 है। यदि बाग का क्षेत्रफल 600 वर्ग मी. है, तो उसकी लम्बाई एवं चौड़ाई ज्ञात कीजिए।

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माना आयताकार बाग की लम्बाई = 3x मीटर है

तथा आयताकार बाग की चौड़ाई = 2x मीटर

आयताकार बाग का क्षेत्रफल = 600 वर्ग मीटर

3x \(\times\) 2x  = ₹ 600 वर्ग मीटर

6x2 = 600 वर्ग मीटर

x2 = 100 वर्ग मीटर

x = \(\pm\sqrt{100}\)

= ± 10

= 10 तथा -10

परन्तु आयताकार बाग की भुजा ऋणात्मक नहीं हो सकती
x = 10

अतः
बाग की लम्बाई = 3x = 3 x 10 = 30 मीटर

 चौड़ाई = 2x = 2 × 10 = 20 मीटर

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