Question
Download Solution PDFகோணம் ABO = 30° மற்றும் வட்டத்தின் சுற்றளவு 44 செ.மீ. எனில், கீழே காட்டப்பட்டுள்ளபடி உருவத்தைக் கவனியுங்கள். AB தொடுகோடுகளின் நீளத்தைக் கண்டறியவும்
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFவட்டத்தின் சுற்றளவு = 2πr
⇒ 44 = 2 × (22/7) × (r)
⇒ r = AO = 7 செ.மீ
ஒரு வட்டத்திற்கு ஒரு தொடுகோடு என்பது தொடுநிலை புள்ளிக்கு வரையப்பட்ட ஆரத்திற்கு செங்குத்தாக உள்ளது
எனவே ∆AOB என்பது ஒரு செங்கோணமுக்கோணம்
⇒ tan 30° = OA/AB
⇒ 1/√3 = 7/AB
⇒ AB = 7√3
∴ இவ்வாறு AB = 7√3
Last updated on Jun 25, 2025
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