Question
Download Solution PDFএকটি 18 ফুট উঁচু বৈদ্যুতিক খুঁটি, 6 ফুট লম্বা গাছ থেকে 10 ফুট দূরত্বে অবস্থিত। গাছের ছায়ার দৈর্ঘ্য কত হবে?
A. 10 ফুট
B. 7.5 ফুট
C. 6 ফুট
D. 5 ফুট
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFচিত্রটিতে, AB = 18 ফুট, CD = 6 ফুট এবং AC = 10 ফুট
ধরা যাক, গাছের ছায়া, CO = k ফুট
প্রশ্ন অনুযায়ী,
⇒ AB/AO = CD/CO
⇒ 18/(10 + k) = 6/k
⇒ 18k = 60 + 6k
⇒ 12k = 60
⇒ k = 5
∴ গাছের ছায়ার দৈর্ঘ্য হল = 5 ফুট
Last updated on Jul 10, 2025
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