Question
Download Solution PDFABCD হল একটি সমদ্বিবাহু ট্রাপিজিয়াম যেমন AD||BC, AB = 5 সেমি, AD = 8 সেমি এবং BC = 14 সেমি। ট্র্যাপিজিয়ামের ক্ষেত্রফল (সেমি2 ) কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFউপরের চিত্র থেকে AOB ত্রিভুজে পিথাগোরাসের উপপাদ্য ব্যবহার করে
⇒ AB2 = BO2 + OA2
⇒ 52 = 32 + OA2
⇒ OA = 4 সেমি যা ট্র্যাপিজিয়ামের উচ্চতার সমান
⇒ ক্ষেত্রফল = 1/2 × (উচ্চতা) × (সমান্তরাল বাহুর সমষ্টি)
⇒ ক্ষেত্রফল = 1/2 × 4 × (8 + 14) = 44
∴ ক্ষেত্রফল হল 44 সেমি2
Last updated on Jul 19, 2025
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