Math, asked by trishita1003, 3 months ago

iv) একটি ঘনকের সমগ্রতলের ক্ষেত্রফল S বর্গ একক এবং কর্ণের
দৈর্ঘ্য d একক হলে s এবং d-এর মধ্যে সম্পর্ক
a) s = 6d2
c) s = d2
b) 3s = 7d
d) d2 = s/2​


trishita1003: I can't get the answer of this question

Answers

Answered by mekhmitra418
2

d option will be correct. pls follow the attached picture for explanation. at first u have to calculate the diagonal (কর্ণ) of the base ie. √2a. Then u have to calculate diagonal of the whole cube( the line joining the vertexes which have maximum distance between them) ie √3a=d.

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trishita1003: ধন্যবাদ
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