Mathematics · Mensuration
एक बेलन (cylinder) में, यदि त्रिज्या को दोगुना कर दिया जाए और ऊँचाई को आधा कर दिया जाए, तो इसके वक्र पृष्ठीय क्षेत्रफल (curved surface area) पर क्या प्रभाव पड़ेगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1यह चार गुना हो जाएगा
- 2यह अपरिवर्तित रहेगा✓
- 3यह दोगुना हो जाएगा
- 4यह आधा हो जाएगा
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यह अपरिवर्तित रहेगा
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