वर्गमूल सर्पिल में यदि पिछले कर्ण की लंबाई \(\sqrt{80}\) है और नई लंब (1) इकाई है, तो नया कर्ण किस सटीक मान पर स्थित होगा?

In a square root spiral, if the previous hypotenuse is \(\sqrt{80}\) and the new perpendicular is (1) unit, at what exact value will the new hypotenuse lie?

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

A. \(\sqrt{81}=9\)

Step 1

Concept

The new hypotenuse is \(\sqrt{80+1}=\sqrt{81}\). Since \(\sqrt{81}=9\), write the exact value at a perfect square.

Step 2

Why this answer is correct

The correct answer is A. \(\sqrt{81}=9\). The new hypotenuse is \(\sqrt{80+1}=\sqrt{81}\). Since \(\sqrt{81}=9\), write the exact value at a perfect square.

Step 3

Exam Tip

नया कर्ण \(\sqrt{80+1}=\sqrt{81}\) होगा। \(\sqrt{81}=9\), इसलिए पूर्ण वर्ग पर सटीक मान लिखें।

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वर्गमूल सर्पिल में यदि पिछले कर्ण की लंबाई \(\sqrt{80}\) है और नई लंब (1) इकाई है, तो नया कर्ण किस सटीक मान पर स्थित होगा? / In a square root spiral, if the previous hypotenuse is \(\sqrt{80}\) and the new perpendicular is (1) unit, at what exact value will the new hypotenuse lie?

Correct Answer: A. \(\sqrt{81}=9\). Explanation: नया कर्ण \(\sqrt{80+1}=\sqrt{81}\) होगा। \(\sqrt{81}=9\), इसलिए पूर्ण वर्ग पर सटीक मान लिखें। / The new hypotenuse is \(\sqrt{80+1}=\sqrt{81}\). Since \(\sqrt{81}=9\), write the exact value at a perfect square.

Which concept should I revise for this Mathematics MCQ?

The new hypotenuse is \(\sqrt{80+1}=\sqrt{81}\). Since \(\sqrt{81}=9\), write the exact value at a perfect square.

What exam hint can help solve this Mathematics question?

नया कर्ण \(\sqrt{80+1}=\sqrt{81}\) होगा। \(\sqrt{81}=9\), इसलिए पूर्ण वर्ग पर सटीक मान लिखें।