वर्गमूल सर्पिल में \(\sqrt{21}\) बनाने के लिए कौन-सा पिछला कर्ण और नई लंब भुजा सही है?
To construct \(\sqrt{21}\) in a square root spiral, which previous hypotenuse and new perpendicular side are correct?
Explanation opens after your attempt
B. \(\sqrt{20}\) और (1)\(\sqrt{20}\) and (1)
Concept
Since (\(\sqrt{20}\)2+12=21). Therefore \(\sqrt{20}\) is the correct previous hypotenuse.
Why this answer is correct
The correct answer is B. \(\sqrt{20}\) और (1) / \(\sqrt{20}\) and (1). Since (\(\sqrt{20}\)2+12=21). Therefore \(\sqrt{20}\) is the correct previous hypotenuse.
Exam Tip
(\(\sqrt{20}\)2+12=21) होता है। इसलिए \(\sqrt{20}\) पिछले कर्ण के रूप में सही है।
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