Question
Download Solution PDF108°কেন্দ্রীয় কোণ সহ 7 সেমি ব্যাসের একটি বৃত্তের খন্ডকের চাপের দৈর্ঘ্য নির্ণয় করুন। [π = 22/7 ব্যবহার করুন]
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
ব্যাস = 7 সেমি
কেন্দ্রীয় কোণ = 108°
অনুসৃত সূত্র:
চাপের দৈর্ঘ্য = θ/360° × 2πr
গণনা:
চাপের দৈর্ঘ্য = 108° /360° × 2 × 22/7 × 7/2
⇒ 2 × 11 × 108°/360°
⇒ 2 × 11 × 12/40
⇒ 11 × 3/5
⇒ 33/5 = 6.6 সেমি
∴ সঠিক উত্তর হল 6.6 সেমি।
Last updated on Jun 25, 2025
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