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একটি রম্বসের প্রতিটি বাহুর দৈর্ঘ্য ১৩ সে.মি, ১টি কর্ণের দৈর্ঘ্য সেমি হলে রম্বসটির অপর কর্ণের দৈর্ঘ্য কত?

৮ সেমি

১০ সেমি

১৫ সেমি

২২ সেমি

ANSWER : 2

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আমরা জানি,
রম্বসের কর্ণদ্বয় পরস্পরকে সমকোণে সমদ্বিখণ্ডিত করে । 
<p style = "box - sizing: border - box; font - variant - ligatures: normal; font - variant - caps: normal; orphans: 2; text - align: start; widows: 2; - webkit - text - stroke - width: 0px; text - decoration - thickness: initial; text - decoration - style: initial; text - decoration - color: initial; word - spacing: 0px; margin: 0in 0in 15.0pt 0in;"> সুতরাং উল্লিখিত কর্ণটির খণ্ডিতাংশের দৈর্ঘ্য ২৪/২ = ১২ সেমি 
<p style = "box - sizing: border - box; font - variant - ligatures: normal; font - variant - caps: normal; orphans: 2; text - align: start; widows: 2; - webkit - text - stroke - width: 0px; text - decoration - thickness: initial; text - decoration - style: initial; text - decoration - color: initial; word - spacing: 0px; margin: 0in 0in 15.0pt 0in;"> অপর কর্ণের খণ্ডিতাংশের দৈর্ঘ্য = &radic;(১৩^২ - ১২^২) 
<p style = "box - sizing: border - box; font - variant - ligatures: normal; font - variant - caps: normal; orphans: 2; text - align: start; widows: 2; - webkit - text - stroke - width: 0px; text - decoration - thickness: initial; text - decoration - style: initial; text - decoration - color: initial; word - spacing: 0px; margin: 0in 0in 15.0pt 0in;"> = &radic;(১৬৯ &ndash; ১৪৪) 
<p style = "box - sizing: border - box; font - variant - ligatures: normal; font - variant - caps: normal; orphans: 2; text - align: start; widows: 2; - webkit - text - stroke - width: 0px; text - decoration - thickness: initial; text - decoration - style: initial; text - decoration - color: initial; word - spacing: 0px; margin: 0in 0in 15.0pt 0in;"> = &radic;২৫
<p style = "box - sizing: border - box; font - variant - ligatures: normal; font - variant - caps: normal; orphans: 2; text - align: start; widows: 2; - webkit - text - stroke - width: 0px; text - decoration - thickness: initial; text - decoration - style: initial; text - decoration - color: initial; word - spacing: 0px; margin: 0in 0in 15.0pt 0in;"> = ৫ সেমি 
<p style = "box - sizing: border - box; font - variant - ligatures: normal; font - variant - caps: normal; orphans: 2; text - align: start; widows: 2; - webkit - text - stroke - width: 0px; text - decoration - thickness: initial; text - decoration - style: initial; text - decoration - color: initial; word - spacing: 0px; margin: 0in 0in 15.0pt 0in;"> অপর কর্ণটির দৈর্ঘ্য ২&times;৫ = ১০ সেমি ।

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