দুইটি গোলকের আয়তনের অনুপাত ৮:২৭। তাদের ক্ষেত্রফলের অনুপাত কত?
Created: 1 year ago | Updated: 2 weeks ago
Job Solution Bangladesh Krishi Bank Krishi Bank - IT - 06.05.2016 গণিত
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গোলকের আয়তন = ৪/৩ πr3

প্রশ্নমতে, ( ৪/৩πr13) / ( ৪/৩ πr23) = ৮/২৭

r13/ r23 = ৮/২৭

( r1/r2)3 = ( ২/৩)3

r1/ r2 = ২/৩

r12/r22 = ৪/৯

৪πr12/ ৪πr22 = ৪/৯

গোলকের ক্ষেত্রফলের অনুপাত = ৪ : ৯

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