Question
Download Solution PDF40 মিটার উচ্চতার একটি মন্দিরের দু'পাশে দুজন পুরুষ যথাক্রমে 30° এবং 30° উন্নতি কোণে এর শীর্ষটি পর্যবেক্ষণ করছেন। দুই পুরুষের মধ্যে দূরত্ব কত মিটার?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
উন্নতি কোণ = 30°
মন্দিরের উচ্চতা = 40 মি
অনুসৃত সূত্র:
tanθ = লম্ব / ভূমি
গণনা:
ADC ত্রিভুজে,
tan 30° = AC/DC
1/√ 3 = 40/DC
⇒ DC = 40√ 3
⇒ BC = DC = 40√ 3
⇒ DB = DC + CB
⇒ DB = 40√ 3 + 40√ 3 = 80√ 3 মি
∴ সঠিক উত্তর হল 80√ 3 মিটার।
Last updated on Jun 19, 2025
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