वर्गमूल सर्पिल में यदि किसी चरण पर कर्ण \(\sqrt{399}\) है, तो अगला कर्ण किस विशेष मान पर होगा?

In a square root spiral, if the hypotenuse at a step is \(\sqrt{399}\), at which special value will the next hypotenuse be?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

A. \(\sqrt{400}=20\)

Step 1

Concept

The next hypotenuse is \(\sqrt{399+1}=\sqrt{400}\). Since \(\sqrt{400}=20\), it is a whole number.

Step 2

Why this answer is correct

The correct answer is A. \(\sqrt{400}=20\). The next hypotenuse is \(\sqrt{399+1}=\sqrt{400}\). Since \(\sqrt{400}=20\), it is a whole number.

Step 3

Exam Tip

अगला कर्ण \(\sqrt{399+1}=\sqrt{400}\) है। \(\sqrt{400}=20\), इसलिए यह पूर्ण संख्या है।

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वर्गमूल सर्पिल में यदि किसी चरण पर कर्ण \(\sqrt{399}\) है, तो अगला कर्ण किस विशेष मान पर होगा? / In a square root spiral, if the hypotenuse at a step is \(\sqrt{399}\), at which special value will the next hypotenuse be?

Correct Answer: A. \(\sqrt{400}=20\). Explanation: अगला कर्ण \(\sqrt{399+1}=\sqrt{400}\) है। \(\sqrt{400}=20\), इसलिए यह पूर्ण संख्या है। / The next hypotenuse is \(\sqrt{399+1}=\sqrt{400}\). Since \(\sqrt{400}=20\), it is a whole number.

Which concept should I revise for this Mathematics MCQ?

The next hypotenuse is \(\sqrt{399+1}=\sqrt{400}\). Since \(\sqrt{400}=20\), it is a whole number.

What exam hint can help solve this Mathematics question?

अगला कर्ण \(\sqrt{399+1}=\sqrt{400}\) है। \(\sqrt{400}=20\), इसलिए यह पूर्ण संख्या है।