संख्या रेखा पर \(\sqrt{5}\) को बनाने में कौन-सी भुजाएँ उपयोगी हैं?
Which legs are useful to construct \(\sqrt{5}\) on the number line?
Explanation opens after your attempt
A. (1) और (2)(1) and (2)
Concept
In a right triangle with legs (1) and (2), the hypotenuse is \(\sqrt{1^2+2^2}=\sqrt{5}\). Such lengths come from the Pythagoras theorem.
Why this answer is correct
The correct answer is A. (1) और (2) / (1) and (2). In a right triangle with legs (1) and (2), the hypotenuse is \(\sqrt{1^2+2^2}=\sqrt{5}\). Such lengths come from the Pythagoras theorem.
Exam Tip
समकोण त्रिभुज में भुजाएँ (1) और (2) हों तो कर्ण \(\sqrt{1^2+2^2}=\sqrt{5}\) होता है। पाइथागोरस प्रमेय से ऐसी लंबाई मिलती है।
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