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একটি রম্বাসের পরিসীমা 120 মিটার এবং দুটি সমান্তরাল বাহুর মধ্যবর্তী দূরত্ব 15 মিটার। রম্বাসের ক্ষেত্রফল কত?

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  1. 450 cm2
  2. 450 m2
  3. 4.5 m2
  4. 45 m2

Answer (Detailed Solution Below)

Option 2 : 450 m2
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Detailed Solution

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প্রদত্ত:

রম্বাসের পরিসীমা = 120 মিটার

গণনা:

F1 ArunK Madhuri 16.02.2022 D1

রম্বাসের প্রতিটি বাহুর দৈর্ঘ্য = 120/4 = 30 মিটার

রম্বাসের উচ্চতা = 15 মিটার

রম্বাসের ক্ষেত্রফল = ভিত্তি দৈর্ঘ্য × উচ্চতা

= 30 × 15

= 450 বর্গ মিটার

∴ রম্বাসের ক্ষেত্রফল 450 m2

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