लंबवृत्तीय बेलन के सम्पूर्ण पृष्ठ का क्षेत्रफल क्या होता है? Lamb Vritiya Belan Ke Sampurna Prishth Ka Kshetrafal Kya Hota Hai?
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लंबवृत्तीय बेलन के सम्पूर्ण पृष्ठ का क्षेत्रफल क्या होता है? Lamb Vritiya Belan Ke Sampurna Prishth Ka Kshetrafal Kya Hota Hai?

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Lamb Vritiya Belan Ke Sampurna Prishth Ka Kshetrafal

लंबवृत्तीय बेलन के सम्पूर्ण पृष्ठ का क्षेत्रफल (Lamb Vritiya Belan Ke Sampurna Prishth Ka Kshetrafal) —

$(s) =2 \pi r(r+h)$

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